diff --git a/course_competency.php b/course_competency.php
index 5483df0fc6fbf169d5b6231a43842d8ea0c8d7de..b60addc9b3198dffcffc1fdfa8fb9022e119a6ed 100644
--- a/course_competency.php
+++ b/course_competency.php
@@ -360,7 +360,7 @@ if(isset($chart)){
 
 
 $data['count_cm_ids']=count($cm_ids);
-if($modules){
+if(isset($modules)){
 	$data['cm_ids']=$modules;
 }