1 files changed, 1 insertions, 1 deletions
diff --git a/src/class.c b/src/class.c
index 8aa976c08..4349e7b49 100644
--- a/src/class.c
+++ b/src/class.c
@@ -696,7 +696,7 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
           if (i < argc && mrb_nil_p(ARGV[arg_i])) {
             *ps = NULL;
             *pl = 0;
-            i++;
+            i++; arg_i++;
             break;
           }
         }