diff --git a/airtime_mvc/application/forms/AddShowWhen.php b/airtime_mvc/application/forms/AddShowWhen.php
index 53a545dca..e9e0157c4 100644
--- a/airtime_mvc/application/forms/AddShowWhen.php
+++ b/airtime_mvc/application/forms/AddShowWhen.php
@@ -202,7 +202,20 @@ class Application_Form_AddShowWhen extends Zend_Form_SubForm
                             $repeatShowEnd->add(new DateInterval("P".$daysAdd."D"));
                         }
                         while ($repeatShowStart->getTimestamp() < $populateUntilDateTime->getTimestamp()) {
-                            $overlapping = Application_Model_Schedule::checkOverlappingShows($repeatShowStart, $repeatShowEnd, $update, $instanceId);
+                            //need to get each repeating show's instance id
+                            $qry = CcShowInstancesQuery::create()
+                                   ->filterByDbStarts($repeatShowStart->format('Y-m-d H:i:s'))
+                                   ->filterByDbEnds($repeatShowEnd->format('Y-m-d H:i:s'))
+                                   ->find();
+                            $count = $qry->count();
+                            if ($count > 1) {
+                                $overlapping = true;
+                            } elseif ($count == 1) {
+                                $instanceId = $qry->getFirst()->getDbId();
+                                $overlapping = Application_Model_Schedule::checkOverlappingShows($repeatShowStart, $repeatShowEnd, $update, $instanceId);
+                            } else {
+                                $overlapping = false;
+                            }
                             if ($overlapping) {
                                 $valid = false;
                                 $this->getElement('add_show_duration')->setErrors(array('Cannot schedule overlapping shows'));