diff --git a/src/simulation/m_global_parameters.fpp b/src/simulation/m_global_parameters.fpp
index aa45e2668b..691138fb1f 100644
--- a/src/simulation/m_global_parameters.fpp
+++ b/src/simulation/m_global_parameters.fpp
@@ -814,8 +814,8 @@ contains
             integral(i)%xmax = dflt_real
             integral(i)%ymin = dflt_real
             integral(i)%ymax = dflt_real
-            integral(i)%ymin = dflt_real
-            integral(i)%ymax = dflt_real
+            integral(i)%zmin = dflt_real
+            integral(i)%zmax = dflt_real
         end do
 
         ! GRCBC flags