1 files changed, 1 insertions, 1 deletions
diff --git a/tests/test.c b/tests/test.c
index 7f3f1fbe..100e0606 100644
--- a/tests/test.c
+++ b/tests/test.c
@@ -1373,7 +1373,7 @@ void run_one_test(void)
       CHECK_OUT_OF_MEMORY(x);
       if (GC_size(x) != MIN_WORDS * sizeof(GC_word)) {
         GC_printf("GC_malloc(0) failed: GC_size returns %lu\n",
-                      (unsigned long)GC_size(GC_malloc(0)));
+                      (unsigned long)GC_size(x));
         FAIL;
       }
       AO_fetch_and_add1(&uncollectable_count);