diff --git a/ChangeLog b/ChangeLog
index 60ef5a4455..b0dd1b15e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Sep  3 21:19:51 2008  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* golf_prelude.rb: suppress warning when goruby -v.
+
 Wed Sep  3 21:07:30 2008  Tanaka Akira  <akr@fsij.org>
 
 	* transcode.c (BL_MIN_BYTE): defined.
diff --git a/golf_prelude.rb b/golf_prelude.rb
index 15c1832a39..2548314532 100644
--- a/golf_prelude.rb
+++ b/golf_prelude.rb
@@ -78,7 +78,8 @@ class String
   end
 
   (Array.instance_methods-instance_methods-[:to_ary,:transpose,:flatten,:flatten!,:compact,:compact!,:assoc,:rassoc]).each{|meth|
-    eval"def #{meth}(*args, &block)
+    eval"
+    def #{meth}(*args, &block)
       a=to_a
       result = a.#{meth}(*args, &block)
       replace(a.join)
@@ -96,7 +97,8 @@ end
 class Enumerator
   alias old_to_s to_s
   (Array.instance_methods-instance_methods-[:replace]+[:to_s]).each{|meth|
-    eval"def #{meth}(*args, &block)
+    eval"
+    def #{meth}(*args, &block)
       to_a.#{meth}(*args, &block)
     end"
   }