diff --git a/lib/redmine/version.rb b/lib/redmine/version.rb
index 0e9a284b8..be510a929 100644
--- a/lib/redmine/version.rb
+++ b/lib/redmine/version.rb
@@ -37,8 +37,8 @@ module Redmine
     REVISION = self.revision
     ARRAY    = [MAJOR, MINOR, TINY, BRANCH, REVISION].compact
     STRING   = ARRAY.join('.')
-    
+
     def self.to_a; ARRAY  end
-    def self.to_s; STRING end    
+    def self.to_s; STRING end
   end
 end