diff --git a/airtime_mvc/application/models/Show.php b/airtime_mvc/application/models/Show.php
index 02a8bb7a0..db23edea0 100644
--- a/airtime_mvc/application/models/Show.php
+++ b/airtime_mvc/application/models/Show.php
@@ -803,23 +803,19 @@ SQL;
             ':add_show_id' => $p_data['add_show_id']
         ));
 
-        // TODO : get rid of this
-        //$sql = "UPDATE cc_show_instances "
-                //."SET ends = starts + INTERVAL '$p_data[add_show_duration]' "
-                //."WHERE show_id = $p_data[add_show_id] "
-                //."AND ends > TIMESTAMP '$timestamp'";
+
         $sql = <<<SQL
 UPDATE cc_show_instances 
-SET ends = starts + INTERVAL :add_show_duration
+SET ends = starts + :add_show_duration::INTERVAL
 WHERE show_id = :show_id
-AND ends > TIMESTAMP :timestamp
+AND ends > :timestamp::TIMESTAMP
 SQL;
+
         
-        Application_Common_Database::prepareAndExecute( $sql,
-            array( 
-                ':add_show_duration' => $p_data['add_show_duration'],
-                ':show_id' => $p_data['add_show_id'],
-                ':timestamp' => $timestamp), "execute");
+        Application_Common_Database::prepareAndExecute( $sql, array( 
+            ':add_show_duration' => $p_data['add_show_duration'],
+            ':show_id' => $p_data['add_show_id'],
+            ':timestamp' => $timestamp), "execute");
     }
 
     private function updateStartDateTime($p_data, $p_endDate)