diff --git a/app/controllers/admin/stats_controller.rb b/app/controllers/admin/stats_controller.rb
index 130bcdda..a5b8499e 100644
--- a/app/controllers/admin/stats_controller.rb
+++ b/app/controllers/admin/stats_controller.rb
@@ -24,7 +24,11 @@ class Admin::StatsController < ApplicationController
   end
   
   def reg_support(level)
-    Registration.find_by_sql("select supporter_registrations.* FROM registrations, supporter_registrations, supporter_levels WHERE registrations.id = supporter_registrations.registration_id AND registrations.conference_id = #{@conference.id} AND supporter_registrations.supporter_level_id = #{level.id}")
+    Registration.find_by_sql("select supporter_registrations.* 
+    FROM registrations INNER JOIN supporter_registrations
+    ON registrations.id = supporter_registrations.registration_id
+    WHERE registrations.conference_id = #{@conference.id} 
+    AND supporter_registrations.supporter_level_id = #{level.id}")
   end
   
   def speaker_reg(speaker)