diff --git a/app/models/problem.rb b/app/models/problem.rb
index ccf0d04..3283cef 100644
--- a/app/models/problem.rb
+++ b/app/models/problem.rb
@@ -114,7 +114,7 @@ class Problem
     if app
       self.app_name = app.name
       self.last_deploy_at = if (last_deploy = app.deploys.where(:environment => self.environment).last)
-        last_deploy.created_at
+        last_deploy.created_at.utc
       end
       collection.update({'_id' => self.id},
                         {'$set' => {'app_name' => self.app_name,
--
libgit2 0.21.2