diff --git a/GPU/GPUTracking/CMakeLists.txt b/GPU/GPUTracking/CMakeLists.txt
index 14118d9b71e9c..4ff1355672d7c 100644
--- a/GPU/GPUTracking/CMakeLists.txt
+++ b/GPU/GPUTracking/CMakeLists.txt
@@ -428,31 +428,6 @@ target_sources(${targetName}
                FILES ${GENERATED_HEADERS_LIST}
                BASE_DIRS ${CMAKE_CURRENT_BINARY_DIR})
 
-make_directory(${CMAKE_CURRENT_BINARY_DIR}/genGPUArch)
-set(GPU_CONST_PARAM_FILES "")
-set(GPU_ARCH_PARAMS_HEADER ${CMAKE_CURRENT_BINARY_DIR}/genGPUArch/GPUDefParametersDefaults_OnTheFly.h)
-generate_gpu_param_header("ALL" ${GPU_ARCH_PARAMS_HEADER} "GPU_CONST_PARAM_ARCHITECTUES")
-foreach(GPU_ARCH ${GPU_CONST_PARAM_ARCHITECTUES})
-  set(PARAMFILE ${CMAKE_CURRENT_BINARY_DIR}/genGPUArch/gpu_const_param_${GPU_ARCH}.par)
-  add_custom_command(
-    OUTPUT ${PARAMFILE}
-    COMMAND bash -c
-            "echo -e '#define GPUCA_GPUTYPE_${GPU_ARCH}\\n#define PARAMETER_FILE \"${GPU_ARCH_PARAMS_HEADER}\"\\ngInterpreter->AddIncludePath(\"${CMAKE_CURRENT_SOURCE_DIR}/Definitions\");\\ngInterpreter->AddIncludePath(\"${ON_THE_FLY_DIR}\");\\n.x ${CMAKE_CURRENT_SOURCE_DIR}/Standalone/tools/dumpGPUDefParam.C(\"${PARAMFILE}\")\\n.q\\n'"
-            | root -l -b > /dev/null
-    VERBATIM
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/genGPUArch
-    MAIN_DEPENDENCY Standalone/tools/dumpGPUDefParam.C
-    DEPENDS ${GPU_ARCH_PARAMS_HEADER}
-            ${ON_THE_FLY_DIR}/GPUDefParametersLoadPrepare.h
-            ${ON_THE_FLY_DIR}/GPUDefParametersLoad.inc
-    COMMENT "Generating GPU parameter set for architecture ${GPU_ARCH}")
-  LIST(APPEND GPU_CONST_PARAM_FILES ${PARAMFILE})
-endforeach()
-
-add_custom_target(${MODULE}_GPU_CONST_PARAM_ARCHS ALL DEPENDS ${GPU_CONST_PARAM_FILES})
-install(FILES ${GPU_CONST_PARAM_FILES} DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/GPU/arch_param)
-
-
 # Add compile definitions and libraries depending on available optional dependencies
 if(GPUCA_QA)
   message(STATUS "Building GPU QA")
@@ -473,6 +448,29 @@ if(CUDA_ENABLED OR OPENCL_ENABLED OR HIP_ENABLED)
   if(CMAKE_SYSTEM_NAME MATCHES Darwin)
     message(WARNING "GPU Tracking disabled on MacOS")
   else()
+    make_directory(${CMAKE_CURRENT_BINARY_DIR}/genGPUArch)
+    set(GPU_CONST_PARAM_FILES "")
+    set(GPU_ARCH_PARAMS_HEADER ${CMAKE_CURRENT_BINARY_DIR}/genGPUArch/GPUDefParametersDefaults_OnTheFly.h)
+    generate_gpu_param_header("ALL" ${GPU_ARCH_PARAMS_HEADER} "GPU_CONST_PARAM_ARCHITECTUES")
+    foreach(GPU_ARCH ${GPU_CONST_PARAM_ARCHITECTUES})
+      set(PARAMFILE ${CMAKE_CURRENT_BINARY_DIR}/genGPUArch/gpu_const_param_${GPU_ARCH}.par)
+      add_custom_command(
+        OUTPUT ${PARAMFILE}
+        COMMAND bash -c
+                "echo -e '#define GPUCA_GPUTYPE_${GPU_ARCH}\\n#define PARAMETER_FILE \"${GPU_ARCH_PARAMS_HEADER}\"\\ngInterpreter->AddIncludePath(\"${CMAKE_CURRENT_SOURCE_DIR}/Definitions\");\\ngInterpreter->AddIncludePath(\"${ON_THE_FLY_DIR}\");\\n.x ${CMAKE_CURRENT_SOURCE_DIR}/Standalone/tools/dumpGPUDefParam.C(\"${PARAMFILE}\")\\n.q\\n'"
+                | root -l -b > /dev/null
+        VERBATIM
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/genGPUArch
+        MAIN_DEPENDENCY Standalone/tools/dumpGPUDefParam.C
+        DEPENDS ${GPU_ARCH_PARAMS_HEADER}
+                ${ON_THE_FLY_DIR}/GPUDefParametersLoadPrepare.h
+                ${ON_THE_FLY_DIR}/GPUDefParametersLoad.inc
+        COMMENT "Generating GPU parameter set for architecture ${GPU_ARCH}")
+      LIST(APPEND GPU_CONST_PARAM_FILES ${PARAMFILE})
+    endforeach()
+    add_custom_target(${MODULE}_GPU_CONST_PARAM_ARCHS ALL DEPENDS ${GPU_CONST_PARAM_FILES})
+    install(FILES ${GPU_CONST_PARAM_FILES} DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/GPU/arch_param)
+
     if(CUDA_ENABLED)
       add_subdirectory(Base/cuda)
     endif()
diff --git a/GPU/GPUTracking/Definitions/Parameters/GPUParameters.csv b/GPU/GPUTracking/Definitions/Parameters/GPUParameters.csv
index 5afa99554f5d0..fc27de72ea2f1 100644
--- a/GPU/GPUTracking/Definitions/Parameters/GPUParameters.csv
+++ b/GPU/GPUTracking/Definitions/Parameters/GPUParameters.csv
@@ -1,72 +1,72 @@
-Architecture,default,MI100,VEGA,TAHITI,TESLA,FERMI,PASCAL,KEPLER,AMPERE,TURING,default_cpu
+Architecture,default,default_cpu,MI100,VEGA,TAHITI,TESLA,FERMI,PASCAL,KEPLER,AMPERE,TURING
 ,,,,,,,,,,,
 CORE:,,,,,,,,,,,
-WARP_SIZE,32,64,64,32,32,32,32,32,32,32,
-THREAD_COUNT_DEFAULT,256,256,256,,,,,,512,512,
+WARP_SIZE,32,,64,64,32,32,32,32,32,32,32
+THREAD_COUNT_DEFAULT,256,,256,256,,,,,,512,512
 ,,,,,,,,,,,
 LB:,,,,,,,,,,,
-GPUTPCCreateTrackingData,256,"[256, 7]","[192, 2]",,,,,,384,256,
-GPUTPCTrackletConstructor,256,"[768, 8]","[512, 10]","[256, 2]","[256, 1]","[256, 2]","[1024, 2]","[512, 4]","[256, 2]","[256, 2]",
-GPUTPCTrackletSelector,256,"[384, 5]","[192, 10]","[256, 3]","[256, 1]","[256, 3]","[512, 4]","[256, 3]","[192, 3]","[192, 3]",
-GPUTPCNeighboursFinder,256,"[192, 8]","[960, 8]",256,256,256,512,256,"[640, 1]","[640, 1]",
-GPUTPCNeighboursCleaner,256,"[128, 5]","[384, 9]",256,256,256,256,256,512,512,
-GPUTPCExtrapolationTracking,256,"[256, 7]","[256, 2]",,,,,,"[128, 4]","[192, 2]",
+GPUTPCCreateTrackingData,256,,"[256, 7]","[192, 2]",,,,,,384,256
+GPUTPCTrackletConstructor,256,,"[768, 8]","[512, 10]","[256, 2]","[256, 1]","[256, 2]","[1024, 2]","[512, 4]","[256, 2]","[256, 2]"
+GPUTPCTrackletSelector,256,,"[384, 5]","[192, 10]","[256, 3]","[256, 1]","[256, 3]","[512, 4]","[256, 3]","[192, 3]","[192, 3]"
+GPUTPCNeighboursFinder,256,,"[192, 8]","[960, 8]",256,256,256,512,256,"[640, 1]","[640, 1]"
+GPUTPCNeighboursCleaner,256,,"[128, 5]","[384, 9]",256,256,256,256,256,512,512
+GPUTPCExtrapolationTracking,256,,"[256, 7]","[256, 2]",,,,,,"[128, 4]","[192, 2]"
 GPUTRDTrackerKernels_gpuVersion,512,,,,,,,,,,
 GPUTPCCreateOccupancyMap_fill,256,,,,,,,,,,
 GPUTPCCreateOccupancyMap_fold,256,,,,,,,,,,
 GPUTRDTrackerKernels_o2Version,512,,,,,,,,,,
-GPUTPCCompressionKernels_step0attached,256,"[128, 1]","[64, 2]",,,,,,"[64, 2]",128,
-GPUTPCCompressionKernels_step1unattached,256,"[512, 2]","[512, 2]",,,,,,"[512, 3]","[512, 2]",
-GPUTPCDecompressionKernels_step0attached,256,"[128, 2]","[128, 2]",,,,,,"[32, 1]","[32, 1]",
-GPUTPCDecompressionKernels_step1unattached,256,"[64, 2]","[64, 2]",,,,,,"[32, 1]","[32, 1]",
+GPUTPCCompressionKernels_step0attached,256,,"[128, 1]","[64, 2]",,,,,,"[64, 2]",128
+GPUTPCCompressionKernels_step1unattached,256,,"[512, 2]","[512, 2]",,,,,,"[512, 3]","[512, 2]"
+GPUTPCDecompressionKernels_step0attached,256,,"[128, 2]","[128, 2]",,,,,,"[32, 1]","[32, 1]"
+GPUTPCDecompressionKernels_step1unattached,256,,"[64, 2]","[64, 2]",,,,,,"[32, 1]","[32, 1]"
 GPUTPCDecompressionUtilKernels_sortPerSectorRow,256,,,,,,,,,,
 GPUTPCDecompressionUtilKernels_countFilteredClusters,256,,,,,,,,,,
 GPUTPCDecompressionUtilKernels_storeFilteredClusters,256,,,,,,,,,,
-GPUTPCCFDecodeZS,"[128, 4]","[64, 4]","[64, 1]",,,,,,"[64, 10]","[64, 8]",
-GPUTPCCFDecodeZSLink,"""GPUCA_WARP_SIZE""","""GPUCA_WARP_SIZE""","""GPUCA_WARP_SIZE""",,,,,,"""GPUCA_WARP_SIZE""","""GPUCA_WARP_SIZE""",
-GPUTPCCFDecodeZSDenseLink,"""GPUCA_WARP_SIZE""","[""GPUCA_WARP_SIZE"", 4]","[""GPUCA_WARP_SIZE"", 14]",,,,,,"""GPUCA_WARP_SIZE""","""GPUCA_WARP_SIZE""",
-GPUTPCCFGather,"[1024, 1]","[1024, 5]","[1024, 1]",,,,,,"[1024, 1]","[1024, 1]",
-COMPRESSION_GATHER,1024,1024,1024,,,,,,1024,1024,
-GPUTPCGMMergerTrackFit,256,"[192, 2]","[64, 7]",,,,,,"[64, 4]","[32, 8]",
-GPUTPCGMMergerFollowLoopers,256,"[256, 5]","[256, 4]",,,,,,"[64, 12]","[128, 4]",
-GPUTPCGMMergerSectorRefit,256,"[64, 4]","[256, 2]",,,,,,"[32, 6]","[64, 5]",
-GPUTPCGMMergerUnpackResetIds,256,256,256,,,,,,256,256,
-GPUTPCGMMergerUnpackGlobal,256,256,256,,,,,,256,256,
-GPUTPCGMMergerResolve_step0,256,512,256,,,,,,256,256,
-GPUTPCGMMergerResolve_step1,256,512,256,,,,,,256,256,
-GPUTPCGMMergerResolve_step2,256,512,256,,,,,,256,256,
-GPUTPCGMMergerResolve_step3,256,512,256,,,,,,256,256,
-GPUTPCGMMergerResolve_step4,256,512,256,,,,,,"[256, 4]","[256, 4]",
-GPUTPCGMMergerClearLinks,256,256,256,,,,,,256,256,
-GPUTPCGMMergerMergeWithinPrepare,256,256,256,,,,,,256,256,
-GPUTPCGMMergerMergeSectorsPrepare,256,256,256,,,,,,"[256, 2]","[256, 2]",
-GPUTPCGMMergerMergeBorders_step0,256,512,256,,,,,,192,192,
-GPUTPCGMMergerMergeBorders_step2,256,512,256,,,,,,"[64, 2]",256,
-GPUTPCGMMergerMergeCE,256,512,256,,,,,,256,256,
-GPUTPCGMMergerLinkExtrapolatedTracks,256,256,256,,,,,,256,256,
-GPUTPCGMMergerCollect,256,"[768, 1]","[1024, 1]",,,,,,"[256, 2]","[128, 2]",
-GPUTPCGMMergerSortTracksPrepare,256,256,256,,,,,,256,256,
-GPUTPCGMMergerPrepareForFit_step0,256,256,256,,,,,,256,256,
-GPUTPCGMMergerPrepareForFit_step1,256,256,256,,,,,,256,256,
-GPUTPCGMMergerPrepareForFit_step2,256,256,256,,,,,,256,256,
-GPUTPCGMMergerFinalize_step0,256,,256,,,,,,,,
-GPUTPCGMMergerFinalize_step1,256,,256,,,,,,,,
-GPUTPCGMMergerFinalize_step2,256,,256,,,,,,,,
+GPUTPCCFDecodeZS,"[128, 4]",,"[64, 4]","[64, 1]",,,,,,"[64, 10]","[64, 8]"
+GPUTPCCFDecodeZSLink,"""GPUCA_WARP_SIZE""",,"""GPUCA_WARP_SIZE""","""GPUCA_WARP_SIZE""",,,,,,"""GPUCA_WARP_SIZE""","""GPUCA_WARP_SIZE"""
+GPUTPCCFDecodeZSDenseLink,"""GPUCA_WARP_SIZE""",,"[""GPUCA_WARP_SIZE"", 4]","[""GPUCA_WARP_SIZE"", 14]",,,,,,"""GPUCA_WARP_SIZE""","""GPUCA_WARP_SIZE"""
+GPUTPCCFGather,"[1024, 1]",,"[1024, 5]","[1024, 1]",,,,,,"[1024, 1]","[1024, 1]"
+COMPRESSION_GATHER,1024,,1024,1024,,,,,,1024,1024
+GPUTPCGMMergerTrackFit,256,,"[192, 2]","[64, 7]",,,,,,"[64, 4]","[32, 8]"
+GPUTPCGMMergerFollowLoopers,256,,"[256, 5]","[256, 4]",,,,,,"[64, 12]","[128, 4]"
+GPUTPCGMMergerSectorRefit,256,,"[64, 4]","[256, 2]",,,,,,"[32, 6]","[64, 5]"
+GPUTPCGMMergerUnpackResetIds,256,,256,256,,,,,,256,256
+GPUTPCGMMergerUnpackGlobal,256,,256,256,,,,,,256,256
+GPUTPCGMMergerResolve_step0,256,,512,256,,,,,,256,256
+GPUTPCGMMergerResolve_step1,256,,512,256,,,,,,256,256
+GPUTPCGMMergerResolve_step2,256,,512,256,,,,,,256,256
+GPUTPCGMMergerResolve_step3,256,,512,256,,,,,,256,256
+GPUTPCGMMergerResolve_step4,256,,512,256,,,,,,"[256, 4]","[256, 4]"
+GPUTPCGMMergerClearLinks,256,,256,256,,,,,,256,256
+GPUTPCGMMergerMergeWithinPrepare,256,,256,256,,,,,,256,256
+GPUTPCGMMergerMergeSectorsPrepare,256,,256,256,,,,,,"[256, 2]","[256, 2]"
+GPUTPCGMMergerMergeBorders_step0,256,,512,256,,,,,,192,192
+GPUTPCGMMergerMergeBorders_step2,256,,512,256,,,,,,"[64, 2]",256
+GPUTPCGMMergerMergeCE,256,,512,256,,,,,,256,256
+GPUTPCGMMergerLinkExtrapolatedTracks,256,,256,256,,,,,,256,256
+GPUTPCGMMergerCollect,256,,"[768, 1]","[1024, 1]",,,,,,"[256, 2]","[128, 2]"
+GPUTPCGMMergerSortTracksPrepare,256,,256,256,,,,,,256,256
+GPUTPCGMMergerPrepareForFit_step0,256,,256,256,,,,,,256,256
+GPUTPCGMMergerPrepareForFit_step1,256,,256,256,,,,,,256,256
+GPUTPCGMMergerPrepareForFit_step2,256,,256,256,,,,,,256,256
+GPUTPCGMMergerFinalize_step0,256,,,256,,,,,,,
+GPUTPCGMMergerFinalize_step1,256,,,256,,,,,,,
+GPUTPCGMMergerFinalize_step2,256,,,256,,,,,,,
 GPUTPCGMMergerMergeLoopers_step0,256,,,,,,,,,,
 GPUTPCGMMergerMergeLoopers_step1,256,,,,,,,,,,
 GPUTPCGMMergerMergeLoopers_step2,256,,,,,,,,,,
 GPUTPCGMO2Output_prepare,256,,,,,,,,,,
 GPUTPCGMO2Output_output,256,,,,,,,,,,
-GPUTPCStartHitsFinder,256,"[1024, 2]","[1024, 7]",256,256,256,256,256,512,512,
-GPUTPCStartHitsSorter,256,"[1024, 5]","[512, 7]",256,256,256,256,256,"[512, 1]","[512, 1]",
-GPUTPCCFCheckPadBaseline,576,"[576, 2]","[576, 2]",,,,,,"[576, 2]",,
-GPUTPCCFChargeMapFiller_fillIndexMap,512,512,512,,,,,,448,,
-GPUTPCCFChargeMapFiller_fillFromDigits,512,512,512,,,,,,448,,
-GPUTPCCFChargeMapFiller_findFragmentStart,512,512,512,,,,,,448,,
-GPUTPCCFPeakFinder,512,"[512, 9]","[512, 4]",,,,,,128,,
-GPUTPCCFNoiseSuppression,512,512,512,,,,,,448,,
-GPUTPCCFDeconvolution,512,"[512, 5]","[512, 5]",,,,,,384,,
-GPUTPCCFClusterizer,512,"[448, 3]","[512, 2]",,,,,,448,,
+GPUTPCStartHitsFinder,256,,"[1024, 2]","[1024, 7]",256,256,256,256,256,512,512
+GPUTPCStartHitsSorter,256,,"[1024, 5]","[512, 7]",256,256,256,256,256,"[512, 1]","[512, 1]"
+GPUTPCCFCheckPadBaseline,576,,"[576, 2]","[576, 2]",,,,,,"[576, 2]",
+GPUTPCCFChargeMapFiller_fillIndexMap,512,,512,512,,,,,,448,
+GPUTPCCFChargeMapFiller_fillFromDigits,512,,512,512,,,,,,448,
+GPUTPCCFChargeMapFiller_findFragmentStart,512,,512,512,,,,,,448,
+GPUTPCCFPeakFinder,512,,"[512, 9]","[512, 4]",,,,,,128,
+GPUTPCCFNoiseSuppression,512,,512,512,,,,,,448,
+GPUTPCCFDeconvolution,512,,"[512, 5]","[512, 5]",,,,,,384,
+GPUTPCCFClusterizer,512,,"[448, 3]","[512, 2]",,,,,,448,
 GPUTPCNNClusterizerKernels,512,,,,,,,,,,
 GPUTrackingRefitKernel_mode0asGPU,256,,,,,,,,,,
 GPUTrackingRefitKernel_mode1asTrackParCov,256,,,,,,,,,,
@@ -92,22 +92,22 @@ GPUTPCCompressionGatherKernels_buffered32,"""GPUCA_LB_COMPRESSION_GATHER""",,,,,
 GPUTPCCompressionGatherKernels_buffered64,"""GPUCA_LB_COMPRESSION_GATHER""",,,,,,,,,,
 GPUTPCCompressionGatherKernels_buffered128,"""GPUCA_LB_COMPRESSION_GATHER""",,,,,,,,,,
 GPUTPCCompressionGatherKernels_multiBlock,"""GPUCA_LB_COMPRESSION_GATHER""",,,,,,,,,,
-GPUTPCGMMergerFinalize_0,256,256,,,,,,,256,256,
-GPUTPCGMMergerFinalize_1,256,256,,,,,,,256,256,
-GPUTPCGMMergerFinalize_2,256,256,,,,,,,256,256,
+GPUTPCGMMergerFinalize_0,256,,256,,,,,,,256,256
+GPUTPCGMMergerFinalize_1,256,,256,,,,,,,256,256
+GPUTPCGMMergerFinalize_2,256,,256,,,,,,,256,256
 ,,,,,,,,,,,
 PAR:,,,,,,,,,,,
-AMD_EUS_PER_CU,0,4,4,,,,,,,,0
-SORT_STARTHITS,1,,,,,,,,,,0
-NEIGHBOURS_FINDER_MAX_NNEIGHUP,6,10,4,,,,,,4,4,0
-NEIGHBOURS_FINDER_UNROLL_GLOBAL,4,4,2,,,,,,,,0
-NEIGHBOURS_FINDER_UNROLL_SHARED,1,0,0,,,,,,,,0
-TRACKLET_SELECTOR_HITS_REG_SIZE,12,9,27,,,,,,20,20,0
-ALTERNATE_BORDER_SORT,0,1,1,,,,,,1,1,0
-SORT_BEFORE_FIT,0,1,1,,,,,,1,1,0
-NO_ATOMIC_PRECHECK,0,1,1,,,,,,1,1,0
-DEDX_STORAGE_TYPE,"""float""","""uint16_t""","""uint16_t""",,,,,,"""uint16_t""","""uint16_t""","""float"""
-MERGER_INTERPOLATION_ERROR_TYPE,"""float""","""half""","""half""",,,,,,"""half""","""half""","""float"""
-COMP_GATHER_KERNEL,0,4,4,,,,,,4,4,0
-COMP_GATHER_MODE,2,3,3,,,,,,3,3,0
-CF_SCAN_WORKGROUP_SIZE,512,,,,,,,,,,0
+AMD_EUS_PER_CU,0,0,4,4,,,,,,,
+SORT_STARTHITS,1,0,,,,,,,,,
+NEIGHBOURS_FINDER_MAX_NNEIGHUP,6,0,10,4,,,,,,4,4
+NEIGHBOURS_FINDER_UNROLL_GLOBAL,4,0,4,2,,,,,,,
+NEIGHBOURS_FINDER_UNROLL_SHARED,1,0,0,0,,,,,,,
+TRACKLET_SELECTOR_HITS_REG_SIZE,12,0,9,27,,,,,,20,20
+ALTERNATE_BORDER_SORT,0,0,1,1,,,,,,1,1
+SORT_BEFORE_FIT,0,0,1,1,,,,,,1,1
+NO_ATOMIC_PRECHECK,0,0,1,1,,,,,,1,1
+DEDX_STORAGE_TYPE,"""float""","""float""","""uint16_t""","""uint16_t""",,,,,,"""uint16_t""","""uint16_t"""
+MERGER_INTERPOLATION_ERROR_TYPE,"""float""","""float""","""half""","""half""",,,,,,"""half""","""half"""
+COMP_GATHER_KERNEL,0,0,4,4,,,,,,4,4
+COMP_GATHER_MODE,2,0,3,3,,,,,,3,3
+CF_SCAN_WORKGROUP_SIZE,512,0,,,,,,,,,
diff --git a/GPU/GPUTracking/Definitions/Parameters/json_to_csv.python b/GPU/GPUTracking/Definitions/Parameters/json_to_csv.python
index a6640239604e0..1ae15662021a3 100755
--- a/GPU/GPUTracking/Definitions/Parameters/json_to_csv.python
+++ b/GPU/GPUTracking/Definitions/Parameters/json_to_csv.python
@@ -27,6 +27,7 @@ for cat in data.values():
 
 cols = 1 + len(arches)
 empty = [""] * cols
+arches = sorted(arches, key=lambda x: 0 if x.startswith("default") else 1)
 
 with open(sys.argv[2], "w", newline="") as f:
     w = csv.writer(f, lineterminator="\n")
diff --git a/GPU/GPUTracking/Standalone/tools/dumpGPUDefParam.C b/GPU/GPUTracking/Standalone/tools/dumpGPUDefParam.C
index f6866bb80da05..30d10bcdd2a8e 100644
--- a/GPU/GPUTracking/Standalone/tools/dumpGPUDefParam.C
+++ b/GPU/GPUTracking/Standalone/tools/dumpGPUDefParam.C
@@ -18,7 +18,7 @@
 // echo -e '#define GPUCA_GPUTYPE_AMPERE\n#define PARAMETER_FILE "GPUDefParametersDefaults.h"\ngInterpreter->AddIncludePath("'`pwd`'/include/GPU");\n.x share/GPU/tools/dumpGPUDefParam.C("default_AMPERE.par")\n.q\n' | root -l -b
 
 #ifndef PARAMETER_FILE
-#error Must provide the PARAMETER_FILE as preprocessor define, e.g. -DHEADER_TO_INCLUDE='"GPUDefParametersDefaults.h"'
+#error Must provide the PARAMETER_FILE as preprocessor define, e.g. -DPARAMETER_FILE='"GPUDefParametersDefaults.h"'
 #endif
 
 #define GPUCA_GPUCODE