diff --git a/airtime_mvc/application/services/SchedulerService.php b/airtime_mvc/application/services/SchedulerService.php
index 712ea6205..ee20ee360 100644
--- a/airtime_mvc/application/services/SchedulerService.php
+++ b/airtime_mvc/application/services/SchedulerService.php
@@ -173,6 +173,10 @@ class Application_Service_SchedulerService
          * any other instances with content
          */
         $instanceIds = $ccShow->getInstanceIds();
+        if (count($instanceIds) == 0) {
+            return;
+        }
+
         $schedule_sql = "SELECT * FROM cc_schedule ".
             "WHERE instance_id IN (".implode($instanceIds, ",").")";
         $ccSchedules = Application_Common_Database::prepareAndExecute(
@@ -427,4 +431,4 @@ class Application_Service_SchedulerService
     	
     	return $redraw;
     }
-}
\ No newline at end of file
+}