diff --git a/config/initializers/mysql2_adapter.rb b/config/initializers/mysql2_adapter.rb
index 6a8e43fa..11b20b0f 100755
--- a/config/initializers/mysql2_adapter.rb
+++ b/config/initializers/mysql2_adapter.rb
@@ -24,7 +24,7 @@ module ActiveRecord
       end
 
       client = Mysql2::Client.new(config.symbolize_keys)
-      options = [config[:host], config[:username], config[:password], config[:database], config[:port], config[:socket], config[:wait_timeout], 0]
+      options = [config[:host], config[:username], config[:password], config[:database], config[:port], config[:socket], config[:pool], config[:wait_timeout], 0]
       ConnectionAdapters::Mysql2Adapter.new(client, logger, options, config)
     end
   end