diff --git a/ChangeLog b/ChangeLog
index 51a7676e94..d277398409 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Wed Mar 11 22:36:34 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* eval.c (frame_called_id): it should use vm_ifunc type.
+
+	* eval.c (frame_func_id): ditto.
+
 Wed Mar 11 22:27:05 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* node.h: remove NODE_IFUNC, NEW_IFUNC.
diff --git a/eval.c b/eval.c
index 20c69db1b6..6e1afdfda1 100644
--- a/eval.c
+++ b/eval.c
@@ -946,8 +946,8 @@ frame_func_id(rb_control_frame_t *cfp)
     }
     while (iseq) {
 	if (RUBY_VM_IFUNC_P(iseq)) {
-	    NODE *ifunc = (NODE *)iseq;
-	    if (ifunc->nd_aid) return ifunc->nd_aid;
+	    const struct vm_ifunc *ifunc = (struct vm_ifunc *)iseq;
+	    if (ifunc->id) return ifunc->id;
 	    return idIFUNC;
 	}
 	me_local = method_entry_of_iseq(cfp, iseq);
@@ -976,8 +976,8 @@ frame_called_id(rb_control_frame_t *cfp)
     }
     while (iseq) {
 	if (RUBY_VM_IFUNC_P(iseq)) {
-	    NODE *ifunc = (NODE *)iseq;
-	    if (ifunc->nd_aid) return ifunc->nd_aid;
+	    const struct vm_ifunc *ifunc = (struct vm_ifunc *)iseq;
+	    if (ifunc->id) return ifunc->id;
 	    return idIFUNC;
 	}
 	me_local = method_entry_of_iseq(cfp, iseq);