1 files changed, 1 insertions, 1 deletions
diff --git a/gc.c b/gc.c
index 8e4190f352..b00dda8ffb 100644
--- a/gc.c
+++ b/gc.c
@@ -2669,7 +2669,7 @@ rb_undefine_finalizer(VALUE obj)
 static void
 should_be_callable(VALUE block)
 {
-    if (!rb_obj_respond_to(block, rb_intern("call"), TRUE)) {
+    if (!rb_obj_respond_to(block, idCall, TRUE)) {
 	rb_raise(rb_eArgError, "wrong type argument %"PRIsVALUE" (should be callable)",
 		 rb_obj_class(block));
     }