1 files changed, 1 insertions, 1 deletions
diff --git a/malloc/tst-obstack.c b/malloc/tst-obstack.c
index cd19431bb9..769697f185 100644
--- a/malloc/tst-obstack.c
+++ b/malloc/tst-obstack.c
@@ -14,7 +14,7 @@ static void *
 verbose_malloc (size_t size)
 {
   void *buf = malloc (size);
-  printf ("malloc (%u) => %p\n", size, buf);
+  printf ("malloc (%zu) => %p\n", size, buf);
   return buf;
 }