1 files changed, 3 insertions, 0 deletions
diff --git a/usr.bin/reboot/reboot.c b/usr.bin/reboot/reboot.c
index 0fed0d2..7fa37f9 100644
--- a/usr.bin/reboot/reboot.c
+++ b/usr.bin/reboot/reboot.c
@@ -71,6 +71,9 @@ main(int argc, char **argv)
             cpu_reboot(REBOOT_FLAG_HLT);
             printf("HALT failed\n");
             /* Fall through */
+        default:
+            printf("got bad flag '%c'\n", c);
+            break;
         }
     }