diff --git a/lib/tasks/heroku.rake b/lib/tasks/heroku.rake
index 741b456cd..27c9ee0ab 100644
--- a/lib/tasks/heroku.rake
+++ b/lib/tasks/heroku.rake
@@ -5,6 +5,7 @@ namespace :heroku do
     command = "heroku config:add"
     CONFIG.each {|key, val| command << " #{key}=#{val} " if val }
     command << " HEROKU=true "
+    command << " DB=postgres "
     system command
   end
 end