diff --git a/proxy/src/main/java/net/md_5/bungee/netty/ChannelWrapper.java b/proxy/src/main/java/net/md_5/bungee/netty/ChannelWrapper.java
index 055584eed..983dcf7fa 100644
--- a/proxy/src/main/java/net/md_5/bungee/netty/ChannelWrapper.java
+++ b/proxy/src/main/java/net/md_5/bungee/netty/ChannelWrapper.java
@@ -15,7 +15,7 @@ public class ChannelWrapper
         this.ch = ch;
     }
 
-    public void write(Object packet)
+    public synchronized void write(Object packet)
     {
         if ( !closed )
         {
@@ -23,7 +23,7 @@ public class ChannelWrapper
         }
     }
 
-    public void close()
+    public synchronized void close()
     {
         if ( !closed )
         {