diff --git a/app/controllers/asia_databases_controller.rb b/app/controllers/asia_databases_controller.rb
index e5cb889..46e44ee 100644
--- a/app/controllers/asia_databases_controller.rb
+++ b/app/controllers/asia_databases_controller.rb
@@ -408,7 +408,7 @@ class AsiaDatabasesController < ApplicationController
 					{
 						select_field=> /#{gsub_invalid_character(keywords)}/
 					},{
-						teacher => /#{gsub_invalid_character(keywords)}/
+						teacher: /#{gsub_invalid_character(keywords)}/
 					}
 				])
 			else