Update DiscordRestApiClient.cs

src/Discord.Net.Rest/DiscordRestApiClient.cs

@@ -585,6 +585,7 @@ namespace Discord.API
             Preconditions.NotNullOrWhitespace(emoji, nameof(emoji));
 
             options = RequestOptions.CreateOrClone(options);
+            options.IsReactionBucket = true;
 
             var ids = new BucketIds(channelId: channelId);
 
@@ -597,6 +598,7 @@ namespace Discord.API
             Preconditions.NotNullOrWhitespace(emoji, nameof(emoji));
 
             options = RequestOptions.CreateOrClone(options);
+            options.IsReactionBucket = false;
 
             var ids = new BucketIds(channelId: channelId);