diff --git a/src/pages/lesson-details.tsx b/src/pages/lesson-details.tsx
index f04ceb9..634c0a7 100644
--- a/src/pages/lesson-details.tsx
+++ b/src/pages/lesson-details.tsx
@@ -144,7 +144,7 @@ const LessonDetail = () => {
         );
         
         if (isNewReaction) {
-          groupedReactions[reaction.sub].push(reaction);
+          groupedReactions[reaction.sub] = [reaction];
         }
       });