diff --git a/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java b/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
index bb3faf5d..5f4a2d45 100644
--- a/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
+++ b/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
@@ -190,7 +190,7 @@ public class UpstreamBridge extends PacketHandler
                 return message;
             }
         }
-        return null;
+        throw CancelSendSignal.INSTANCE;
     }
 
     @Override