diff --git a/test/val/bug1438.c b/test/val/bug1438.c
index 93addb877..3894f87f1 100644
--- a/test/val/bug1438.c
+++ b/test/val/bug1438.c
@@ -5,7 +5,7 @@
   of ten compilation runs.
 */
 
-#define __fastcall__
+/* #define __fastcall__ */
 
 unsigned short a[10] = {0,1,2,3,4,5,6,7,8,9};