diff --git a/switch_root.c b/switch_root.c
index ede292e..318d08c 100644
--- a/switch_root.c
+++ b/switch_root.c
@@ -134,4 +134,5 @@ main(int argc, char **argv)
 	/* execute init */
 	execv(argv[1], argv);
 	eprintf("can't execute '%s'\n", argv[1]);
+	return EXIT_FAILURE;
 }