diff --git a/gc.c b/gc.c
index 4d8ced7611..d655e362dc 100644
--- a/gc.c
+++ b/gc.c
@@ -8070,7 +8070,7 @@ gc_update_object_references(rb_objspace_t *objspace, VALUE obj)
         }
         if (!RCLASS_EXT(obj)) break;
         if (RCLASS_IV_TBL(obj)) {
-            gc_update_table_refs(objspace, RCLASS_IV_TBL(obj));
+            gc_update_tbl_refs(objspace, RCLASS_IV_TBL(obj));
         }
         update_class_ext(objspace, RCLASS_EXT(obj));
         update_m_tbl(objspace, RCLASS_CALLABLE_M_TBL(obj));