diff --git a/ChangeLog b/ChangeLog
index 3fe9ed0a36..a2f2f97fcb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Mar 24 16:46:02 2015  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* tool/redmine-backporter.rb: now doesn't required spaces just after
+	  `!`.
+
 Mon Mar 23 23:18:27 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* dir.c (dir_close): don't raise on dobule close for consistent to
diff --git a/tool/redmine-backporter.rb b/tool/redmine-backporter.rb
index d3f4c240ee..4c5476fa7d 100755
--- a/tool/redmine-backporter.rb
+++ b/tool/redmine-backporter.rb
@@ -558,7 +558,7 @@ while true
     break
   end
   break unless l
-  cmd, args = l.strip.split(/\s+/, 2)
+  cmd, args = l.strip.split(/\s+|\b/, 2)
   next unless cmd
   if (!args || args.empty?) && /\A\d+\z/ =~ cmd
     args = cmd
@@ -570,7 +570,7 @@ while true
   cmd = list[cmd]
   begin
     if cmd
-      commands[cmd].call(args.to_s)
+      commands[cmd].call(args)
     else
       raise CommandSyntaxError
     end