1 files changed, 1 insertions, 1 deletions
diff --git a/object.c b/object.c
index a73ee66b4f..b5f183fbf9 100644
--- a/object.c
+++ b/object.c
@@ -2406,7 +2406,7 @@ Init_Object(void)
     rb_define_method(rb_cModule, "local_methods", 
 		     rb_class_local_methods, 0);               /* in class.c */
 
-    rb_define_method(rb_cModule, "constants", rb_mod_constants, 0); /* in variable.c */
+    rb_define_method(rb_cModule, "constants", rb_mod_constants, -1); /* in variable.c */
     rb_define_method(rb_cModule, "const_get", rb_mod_const_get, -1);
     rb_define_method(rb_cModule, "const_set", rb_mod_const_set, 2);
     rb_define_method(rb_cModule, "const_defined?", rb_mod_const_defined, -1);