1 files changed, 1 insertions, 1 deletions
diff --git a/src/class.c b/src/class.c
index dc7096ec5..c9a5e02bd 100644
--- a/src/class.c
+++ b/src/class.c
@@ -1007,7 +1007,7 @@ mrb_bob_missing(mrb_state *mrb, mrb_value mod)
   int alen;
 
   mrb_get_args(mrb, "o*", &name, &a, &alen);
-  if (!SYMBOL_P(name)) {
+  if (!mrb_symbol_p(name)) {
     mrb_raise(mrb, E_TYPE_ERROR, "name should be a symbol");
   }
   mrb_raisef(mrb, E_NOMETHOD_ERROR, "undefined method '%s' for %s",