diff --git a/test/benchmark-async-pummel.c b/test/benchmark-async-pummel.c
index 9e41d4497..f6ce45efc 100644
--- a/test/benchmark-async-pummel.c
+++ b/test/benchmark-async-pummel.c
@@ -73,6 +73,7 @@ static int test_async_pummel(int nthreads) {
          fmt(callbacks / (time / 1e9)));
 
   free(tids);
+  return 0;
 }