1 files changed, 1 insertions, 0 deletions
diff --git a/object.c b/object.c
index 3db26148e6..fe9f8adbb9 100644
--- a/object.c
+++ b/object.c
@@ -1176,6 +1176,7 @@ Init_Object()
     rb_define_method(rb_cModule, "const_defined?", rb_mod_const_defined, 1);
     rb_define_private_method(rb_cModule, "remove_const", rb_mod_remove_const, 1);
     rb_define_private_method(rb_cModule, "method_added", rb_obj_dummy, 1);
+    rb_define_method(rb_cModule, "class_variables", rb_mod_class_variables, 0);
 
     rb_define_method(rb_cClass, "new", rb_class_new_instance, -1);
     rb_define_method(rb_cClass, "superclass", rb_class_superclass, 0);