diff --git a/slow.c b/slow.c
index f37c0a6..32a4b9f 100644
--- a/slow.c
+++ b/slow.c
@@ -37,5 +37,5 @@ int main(int argc, char *argv[]) {
 		}
 	}
 
-	return 0;
+	return EXIT_SUCCESS;
 }