diff --git a/lib/redmine/notifiable.rb b/lib/redmine/notifiable.rb
index 37d4a4072..88ca9d776 100644
--- a/lib/redmine/notifiable.rb
+++ b/lib/redmine/notifiable.rb
@@ -4,7 +4,7 @@ module Redmine
     def to_s
       name
     end
-    
+
     # TODO: Plugin API for adding a new notification?
     def self.all
       notifications = []