diff --git a/Socket.IO-Client-Swift.xcodeproj/project.pbxproj b/Socket.IO-Client-Swift.xcodeproj/project.pbxproj
index de7f091..240fb4a 100644
--- a/Socket.IO-Client-Swift.xcodeproj/project.pbxproj
+++ b/Socket.IO-Client-Swift.xcodeproj/project.pbxproj
@@ -38,6 +38,7 @@
 		5764DFA11B51F254004FF46E /* WebSocket.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5764DF881B51F254004FF46E /* WebSocket.swift */; };
 		5764DFA21B51F254004FF46E /* WebSocket.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5764DF881B51F254004FF46E /* WebSocket.swift */; };
 		743AC41D1BB9A7A7009F615E /* SocketPollingEmitTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 743AC41C1BB9A7A7009F615E /* SocketPollingEmitTest.swift */; settings = {ASSET_TAGS = (); }; };
+		743AC41F1BB9B07C009F615E /* SocketPollingAcknowledgementTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 743AC41E1BB9B07C009F615E /* SocketPollingAcknowledgementTest.swift */; settings = {ASSET_TAGS = (); }; };
 		745895381BB59A0A0050ACC8 /* SocketAckManagerTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 94A20D601B99E22F00BF9E44 /* SocketAckManagerTest.swift */; };
 		745895391BB59A0A0050ACC8 /* SocketAcknowledgementTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 94ADAC4A1B6632DD00FD79AE /* SocketAcknowledgementTest.swift */; };
 		7458953A1BB59A0A0050ACC8 /* SocketEmitTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 945B65421B63D9DB0081E995 /* SocketEmitTest.swift */; };
@@ -138,6 +139,7 @@
 		5764DF871B51F254004FF46E /* SwiftRegex.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = SwiftRegex.swift; path = SocketIOClientSwift/SwiftRegex.swift; sourceTree = "<group>"; };
 		5764DF881B51F254004FF46E /* WebSocket.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = WebSocket.swift; path = SocketIOClientSwift/WebSocket.swift; sourceTree = "<group>"; };
 		743AC41C1BB9A7A7009F615E /* SocketPollingEmitTest.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SocketPollingEmitTest.swift; sourceTree = "<group>"; };
+		743AC41E1BB9B07C009F615E /* SocketPollingAcknowledgementTest.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SocketPollingAcknowledgementTest.swift; sourceTree = "<group>"; };
 		74781D591B7E83930042CACA /* SocketIOClientStatus.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = SocketIOClientStatus.swift; path = SocketIOClientSwift/SocketIOClientStatus.swift; sourceTree = "<group>"; };
 		749A7F8A1BA9D42D00782993 /* SocketAckEmitter.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = SocketAckEmitter.swift; path = SocketIOClientSwift/SocketAckEmitter.swift; sourceTree = "<group>"; };
 		74D765611B9F0D870028551C /* SocketStringReader.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = SocketStringReader.swift; path = SocketIOClientSwift/SocketStringReader.swift; sourceTree = "<group>"; };
@@ -264,6 +266,7 @@
 			children = (
 				94A20D601B99E22F00BF9E44 /* SocketAckManagerTest.swift */,
 				94ADAC4A1B6632DD00FD79AE /* SocketAcknowledgementTest.swift */,
+				743AC41E1BB9B07C009F615E /* SocketPollingAcknowledgementTest.swift */,
 				945B65421B63D9DB0081E995 /* SocketEmitTest.swift */,
 				743AC41C1BB9A7A7009F615E /* SocketPollingEmitTest.swift */,
 				94242BB71B67B0E500AAAC9D /* SocketNamespaceAcknowledgementTest.swift */,
@@ -580,6 +583,7 @@
 				7458953C1BB59A0A0050ACC8 /* SocketNamespaceAcknowledgementTest.swift in Sources */,
 				7458953D1BB59A0A0050ACC8 /* SocketParserTest.swift in Sources */,
 				7458953E1BB59A0A0050ACC8 /* SocketTestCases.swift in Sources */,
+				743AC41F1BB9B07C009F615E /* SocketPollingAcknowledgementTest.swift in Sources */,
 				743AC41D1BB9A7A7009F615E /* SocketPollingEmitTest.swift in Sources */,
 				7458953F1BB59A0A0050ACC8 /* AbstractSocketTest.swift in Sources */,
 				745895401BB59A0A0050ACC8 /* TestKind.swift in Sources */,
diff --git a/SocketIO-MacTests/SocketPollingAcknowledgementTest.swift b/SocketIO-MacTests/SocketPollingAcknowledgementTest.swift
new file mode 100644
index 0000000..20df5d5
--- /dev/null
+++ b/SocketIO-MacTests/SocketPollingAcknowledgementTest.swift
@@ -0,0 +1,18 @@
+//
+//  SocketPollingAcknowledgementTest.swift
+//  Socket.IO-Client-Swift
+//
+//  Created by Erik Little on 9/28/15.
+//
+//
+
+import Foundation
+import XCTest
+
+class SocketPollingAcknowledgementTest: SocketAcknowledgementTest {
+    override func setUp() {
+        AbstractSocketTest.socket = AbstractSocketTest.regularPollingSocket
+        testKind = TestKind.Acknowledgement
+        openConnection(AbstractSocketTest.socket)
+    }
+}