2 files changed, 4 insertions, 0 deletions
diff --git a/tools/mrbc/mrbc.c b/tools/mrbc/mrbc.c
index 55e2fcf32..8da37832a 100644
--- a/tools/mrbc/mrbc.c
+++ b/tools/mrbc/mrbc.c
@@ -114,6 +114,8 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
         }
         else return -3;
         return 0;
+      default:
+	break;
       }
     }
     else if (args->rfp == NULL) {
diff --git a/tools/mruby/mruby.c b/tools/mruby/mruby.c
index 3628e79c9..12cdc86e9 100644
--- a/tools/mruby/mruby.c
+++ b/tools/mruby/mruby.c
@@ -110,6 +110,8 @@ append_cmdline:
       }
       else return -3;
       return 0;
+    default:
+      break;
     }
   }