1 files changed, 2 insertions, 1 deletions
diff --git a/object.c b/object.c
index e54285d8fc..1398201c83 100644
--- a/object.c
+++ b/object.c
@@ -161,6 +161,7 @@ rb_obj_equal(VALUE obj1, VALUE obj2)
 VALUE
 rb_obj_hash(VALUE obj)
 {
+    st_index_t rb_objid_hash(st_index_t index);
     VALUE oid = rb_obj_id(obj);
 #if SIZEOF_LONG == SIZEOF_VOIDP
     st_index_t index = NUM2LONG(oid);
@@ -169,7 +170,7 @@ rb_obj_hash(VALUE obj)
 #else
 # error not supported
 #endif
-    st_index_t h = rb_hash_end(rb_hash_start(index));
+    st_index_t h = rb_objid_hash(index);
     return LONG2FIX(h);
 }