1 files changed, 1 insertions, 1 deletions
diff --git a/gc.c b/gc.c
index 286e83a17b..d7269cf138 100644
--- a/gc.c
+++ b/gc.c
@@ -3932,7 +3932,7 @@ mark_method_entry(rb_objspace_t *objspace, const rb_method_entry_t *me)
 
     switch (def->type) {
       case VM_METHOD_TYPE_ISEQ:
-	gc_mark(objspace, def->body.iseq.iseqval);
+	gc_mark(objspace, def->body.iseq.iseqptr->self);
 	gc_mark(objspace, (VALUE)def->body.iseq.cref);
 	break;
       case VM_METHOD_TYPE_ATTRSET: