diff --git a/src/framework/mpas_stream_manager.F b/src/framework/mpas_stream_manager.F
index 7a3c7b079a..8a4a1b4ad3 100644
--- a/src/framework/mpas_stream_manager.F
+++ b/src/framework/mpas_stream_manager.F
@@ -4073,7 +4073,9 @@ subroutine mpas_get_stream_filename(manager, streamID, when, blockID, filename,
         type (MPAS_TimeInterval_type) :: filename_interval
         type (MPAS_Time_type) :: now_time
 
-        ierr = 0
+        if ( present(ierr) ) then
+           ierr = MPAS_STREAM_MGR_NOERR
+        end if
 
         if ( present(blockID) ) then
            blockID_local = blockID