diff --git a/ChangeLog b/ChangeLog
index 76838aee96..0cdfd93a66 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Nov  3 13:00:26 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
+ 
+ 	* range.c (rb_range_beg_len): rb_raise takes C values as arguments.
+ 	  [BUG] ranges turned into other value in a message of RangeError.
+ 
 Mon Nov  3 00:36:44 2008  Masaki Suketa  <masaki.suketa@nifty.ne.jp>
 
 	* test/win32ole/test_win32ole_event.rb: rename test class.
diff --git a/range.c b/range.c
index 5c77e03f73..0e9b390c39 100644
--- a/range.c
+++ b/range.c
@@ -636,7 +636,7 @@ rb_range_beg_len(VALUE range, long *begp, long *lenp, long len, int err)
   out_of_range:
     if (err) {
 	rb_raise(rb_eRangeError, "%ld..%s%ld out of range",
-		 b, excl ? "." : "", e);
+		 NUM2LONG(b), excl ? "." : "", NUM2LONG(e));
     }
     return Qnil;
 }