1 files changed, 1 insertions, 1 deletions
diff --git a/rts/RtsUtils.c b/rts/RtsUtils.c
index 2a53d18572..b9ddb2a345 100644
--- a/rts/RtsUtils.c
+++ b/rts/RtsUtils.c
@@ -79,7 +79,7 @@ stgMallocBytes (size_t n, char *msg)
       rtsConfig.mallocFailHook((W_) n, msg);
       stg_exit(EXIT_INTERNAL_ERROR);
     }
-    IF_DEBUG(sanity, memset(space, 0xbb, n));
+    IF_DEBUG(zero_on_gc, memset(space, 0xbb, n));
     return space;
 }