diff --git a/sys/shell/commands/sc_transceiver.c b/sys/shell/commands/sc_transceiver.c
index e63f76478c..e0825440e5 100644
--- a/sys/shell/commands/sc_transceiver.c
+++ b/sys/shell/commands/sc_transceiver.c
@@ -308,6 +308,7 @@ void _transceiver_set_ignore_handler(int argc, char **argv)
     }
     else if (argc != 2) {
         printf("Usage:\n%s <address>\n", argv[0]);
+        return;
     }
 
     radio_address_t a;