diff --git a/lib/client.js b/lib/client.js
index c9f20dd..c4a9171 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -155,13 +155,15 @@ Client.prototype.write = function(packetId, params) {
     packetId = packetId[1];
   }
 
+  var that = this;
+
   // TODO: Which comes first, encryption or compression?
 
   var finishWriting = function(buffer) {
       debug("writing packetId " + packetId + " (0x" + packetId.toString(16) + ")");
       debug(params);
       var out = this.encryptionEnabled ? new Buffer(this.cipher.update(buffer), 'binary') : buffer;
-      this.socket.write(out);
+      that.socket.write(out);
       return true;
   }
 
@@ -179,9 +181,11 @@ Client.prototype.writeRaw = function(buffer, shouldEncrypt) {
         shouldEncrypt = true;
     }
 
+    var that = this;
+
     var finishWriting = function(buffer) {
         var out = (shouldEncrypt && this.encryptionEnabled) ? new Buffer(this.cipher.update(buffer), 'binary') : buffer;
-        this.socket.write(out);
+        that.socket.write(out);
     };
 
     if(this.compressionThreshold != -1 && buffer.length > this.compressionThreshold) {