diff --git a/ChangeLog b/ChangeLog
index 567e53eb59..6ab9cb135f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Jul 16 23:43:16 2005  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* enumerator.c (Init_Enumerator): wrong argument specs.
+	  [ruby-core:05481]
+
 Sat Jul 16 15:52:50 2005  Hirokazu Yamamoto  <ocean@m2.ccsnet.ne.jp>
 
 	* win32/win32.[hc]: constified socket functions. [ruby-dev:26553]
diff --git a/enumerator.c b/enumerator.c
index 734bd80577..d1cbd76b64 100644
--- a/enumerator.c
+++ b/enumerator.c
@@ -404,8 +404,8 @@ enumerator_with_index(obj)
 void
 Init_Enumerator()
 {
-    rb_define_method(rb_mKernel, "to_enum", obj_to_enum, -2);
-    rb_define_method(rb_mKernel, "enum_for", obj_to_enum, -2);
+    rb_define_method(rb_mKernel, "to_enum", obj_to_enum, -1);
+    rb_define_method(rb_mKernel, "enum_for", obj_to_enum, -1);
 
     rb_define_method(rb_mEnumerable, "enum_with_index", enumerator_enum_with_index, 0);
     rb_define_method(rb_mEnumerable, "each_slice", enum_each_slice, 1);