diff --git a/sorting/bubble_sort_2.c b/sorting/bubble_sort_2.c
index 2813a554..ef54d3d9 100644
--- a/sorting/bubble_sort_2.c
+++ b/sorting/bubble_sort_2.c
@@ -84,5 +84,5 @@ static void test() {
 int main()
 {
     test();  // run self-test implementations
-    return EXIT_SUCCESS;
+    return 0;
 }