diff --git a/Riot/Modules/Room/DataSources/RoomDataSource.m b/Riot/Modules/Room/DataSources/RoomDataSource.m
index 0696c8543..f569efc26 100644
--- a/Riot/Modules/Room/DataSources/RoomDataSource.m
+++ b/Riot/Modules/Room/DataSources/RoomDataSource.m
@@ -594,7 +594,7 @@
 
 - (void)bubbleReactionsViewModel:(BubbleReactionsViewModel *)viewModel didAddReaction:(MXReactionCount *)reactionCount forEventId:(NSString *)eventId
 {
-    [self addReaction:reactionCount.reaction forEventId:eventId success:^(NSString *eventId) {
+    [self addReaction:reactionCount.reaction forEventId:eventId success:^{
         
     } failure:^(NSError *error) {
         
diff --git a/Riot/Modules/Room/RoomViewController.m b/Riot/Modules/Room/RoomViewController.m
index 5dd3cbf12..52361488b 100644
--- a/Riot/Modules/Room/RoomViewController.m
+++ b/Riot/Modules/Room/RoomViewController.m
@@ -5209,7 +5209,7 @@
 {
     MXWeakify(self);
     
-    [self.roomDataSource addReaction:reaction forEventId:eventId success:^(NSString *eventId) {
+    [self.roomDataSource addReaction:reaction forEventId:eventId success:^{
         
     } failure:^(NSError *error) {
         MXStrongifyAndReturnIfNil(self);