diff --git a/SocketIOClientSwift/SocketPacket.swift b/SocketIOClientSwift/SocketPacket.swift
index cde88bb..1474da7 100644
--- a/SocketIOClientSwift/SocketPacket.swift
+++ b/SocketIOClientSwift/SocketPacket.swift
@@ -48,7 +48,6 @@ struct SocketPacket {
     var data:[AnyObject]
     var id:Int = -1
     var nsp = ""
-    var justAck = false
     var placeholders:Int
     var type:PacketType
     var description:String {
@@ -253,7 +252,7 @@ struct SocketPacket {
         case _ where ack:
             return PacketType.BINARY_ACK
         default:
-            return PacketType.BINARY_ACK
+            return PacketType.EVENT
         }
     }
     
diff --git a/SocketIOClientSwift/SocketParser.swift b/SocketIOClientSwift/SocketParser.swift
index 6a4ca82..ac4c2e7 100644
--- a/SocketIOClientSwift/SocketParser.swift
+++ b/SocketIOClientSwift/SocketParser.swift
@@ -220,7 +220,7 @@ class SocketParser {
         var packet = socket.waitingData.removeAtIndex(0)
         packet.fillInPlaceholders()
         
-        if !packet.justAck {
+        if packet.type == SocketPacket.PacketType.BINARY_ACK {
             socket.handleEvent(packet.getEvent(), data: packet.getArgs(),
                 wantsAck: packet.id)
         } else {