1 files changed, 2 insertions, 1 deletions
diff --git a/vm_eval.c b/vm_eval.c
index 851eaaf9ff..449e097797 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -560,8 +560,9 @@ loop_i(void)
  */
 
 static VALUE
-rb_f_loop(void)
+rb_f_loop(VALUE self)
 {
+    RETURN_ENUMERATOR(self, 0, 0);
     rb_rescue2(loop_i, (VALUE)0, 0, 0, rb_eStopIteration, (VALUE)0);
     return Qnil;		/* dummy */
 }