diff --git a/tests/Makefile b/tests/Makefile
index c796c490d4..cae7a551ca 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -2468,13 +2468,13 @@ ifndef CONCAT
 CONCAT=utils/concat
 endif
 ifndef GPARMAKE
-GPARMAKE=./gparmake$(EXEEXT)
+GPARMAKE=./gparmake$(SRCEXEEXT)
 endif
 ifndef PREPUP
 PREPUP=utils/prepup
 endif
 ifndef CREATELST
-CREATELST=./createlst$(EXEEXT)
+CREATELST=./createlst$(SRCEXEEXT)
 endif
 tstunits:
 ifdef inOS2
diff --git a/tests/Makefile.fpc b/tests/Makefile.fpc
index 15e765d5c4..1a1ab8a5a9 100644
--- a/tests/Makefile.fpc
+++ b/tests/Makefile.fpc
@@ -210,7 +210,7 @@ CONCAT=utils/concat
 endif
 
 ifndef GPARMAKE
-GPARMAKE=./gparmake$(EXEEXT)
+GPARMAKE=./gparmake$(SRCEXEEXT)
 endif
 
 ifndef PREPUP
@@ -218,7 +218,7 @@ PREPUP=utils/prepup
 endif
 
 ifndef CREATELST
-CREATELST=./createlst$(EXEEXT)
+CREATELST=./createlst$(SRCEXEEXT)
 endif