diff --git a/README.md b/README.md
index ccf3a80..96d67a6 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ socket.on("currentAmount") {data, ack in
             socket.emit("update", ["amount": cur + 2.50])
         }
 
-        ack?(["Got your currentAmount", "dude"])
+        ack?("Got your currentAmount", "dude")
     }
 }
 
diff --git a/SocketIOClientSwift/SocketAnyEvent.swift b/SocketIOClientSwift/SocketAnyEvent.swift
index 6d7228c..9926bc5 100644
--- a/SocketIOClientSwift/SocketAnyEvent.swift
+++ b/SocketIOClientSwift/SocketAnyEvent.swift
@@ -24,7 +24,7 @@
 
 import Foundation
 
-@objc public final class SocketAnyEvent {
+public final class SocketAnyEvent: NSObject {
     public let event:String!
     public let items:NSArray?
     
diff --git a/SocketIOClientSwift/SocketEngine.swift b/SocketIOClientSwift/SocketEngine.swift
index f20bfc2..6fa37b8 100644
--- a/SocketIOClientSwift/SocketEngine.swift
+++ b/SocketIOClientSwift/SocketEngine.swift
@@ -284,7 +284,7 @@ public final class SocketEngine: NSObject, WebSocketDelegate, SocketLogClient {
                 } else if !this.closed && this.polling {
                     this.doPoll()
                 }
-            }}?.resume()
+            }}.resume()
     }
 
     private func flushProbeWait() {
@@ -361,7 +361,7 @@ public final class SocketEngine: NSObject, WebSocketDelegate, SocketLogClient {
                         this?.doPoll()
                     }
                 }
-            }}?.resume()
+            }}.resume()
     }
 
     // We had packets waiting for send when we upgraded
diff --git a/SocketIOClientSwift/SocketEngineClient.swift b/SocketIOClientSwift/SocketEngineClient.swift
index 27040fb..3824722 100644
--- a/SocketIOClientSwift/SocketEngineClient.swift
+++ b/SocketIOClientSwift/SocketEngineClient.swift
@@ -26,7 +26,7 @@
 import Foundation
 
 @objc public protocol SocketEngineClient {
-    var handleQueue:dispatch_queue_attr_t! {get}
+    var handleQueue:dispatch_queue_t! {get}
     var socketURL:String {get}
     var secure:Bool {get}
     
diff --git a/SocketIOClientSwift/SocketEventHandler.swift b/SocketIOClientSwift/SocketEventHandler.swift
index 68c5eb9..7b2d92b 100644
--- a/SocketIOClientSwift/SocketEventHandler.swift
+++ b/SocketIOClientSwift/SocketEventHandler.swift
@@ -25,7 +25,7 @@
 import Foundation
 
 private func emitAckCallback(socket:SocketIOClient?, num:Int?)
-    (items:[AnyObject]) -> Void {
+    (items:AnyObject...) -> Void {
         socket?.emitAck(num ?? -1, withData: items)
 }
 
diff --git a/SocketIOClientSwift/SocketTypes.swift b/SocketIOClientSwift/SocketTypes.swift
index 306a7c9..596a267 100644
--- a/SocketIOClientSwift/SocketTypes.swift
+++ b/SocketIOClientSwift/SocketTypes.swift
@@ -25,6 +25,6 @@
 import Foundation
 
 public typealias AckCallback = (NSArray?) -> Void
-public typealias AckEmitter = ([AnyObject]) -> Void
+public typealias AckEmitter = (AnyObject...) -> Void
 public typealias NormalCallback = (NSArray?, AckEmitter?) -> Void
 public typealias OnAckCallback = (timeout:UInt64, callback:AckCallback) -> Void