diff --git a/tests/test-utils.c b/tests/test-utils.c
index df04343..fa7f460 100644
--- a/tests/test-utils.c
+++ b/tests/test-utils.c
@@ -17,6 +17,7 @@
 {
 	/* we are not expecting TX packets */
 	assert(0);
+	return 0;
 }
 
 struct mctp_binding_test *mctp_binding_test_init(void)