diff --git a/apps/web/components/Dashboard/Course/EditCourseStructure/DraggableElements/ChapterElement.tsx b/apps/web/components/Dashboard/Course/EditCourseStructure/DraggableElements/ChapterElement.tsx
index c1325b1c..57aab3ec 100644
--- a/apps/web/components/Dashboard/Course/EditCourseStructure/DraggableElements/ChapterElement.tsx
+++ b/apps/web/components/Dashboard/Course/EditCourseStructure/DraggableElements/ChapterElement.tsx
@@ -155,7 +155,7 @@ function ChapterElement(props: ChapterElementProps) {
                 <div className="flex flex-col">
                   {activities.map((activity: any, index: any) => {
                     return (
-                      <div key={index} className="flex items-center ">
+                      <div key={activity.activity_uuid} className="flex items-center ">
                         <ActivityElement
                           orgslug={props.orgslug}
                           course_uuid={props.course_uuid}