diff --git a/lib/redmine/activity/fetcher.rb b/lib/redmine/activity/fetcher.rb
index 817134960..e607602ea 100644
--- a/lib/redmine/activity/fetcher.rb
+++ b/lib/redmine/activity/fetcher.rb
@@ -94,7 +94,7 @@ module Redmine
           end
         end
 
-        e.sort! {|a,b| b.event_datetime <=> a.event_datetime}
+        e.sort! {|a, b| b.event_datetime <=> a.event_datetime}
 
         if options[:limit]
           e = e.slice(0, options[:limit])