diff --git a/tools/dmsetup.c b/tools/dmsetup.c
index 5e71542a9..fa9e243d7 100644
--- a/tools/dmsetup.c
+++ b/tools/dmsetup.c
@@ -3341,6 +3341,7 @@ int main(int argc, char **argv)
 
 	if (argc == 0) {
 		_usage(stderr);
+		r = 0;
 		goto out;
 	}