1 files changed, 3 insertions, 2 deletions
diff --git a/Swiften/StreamStack/CompressionLayer.h b/Swiften/StreamStack/CompressionLayer.h
index 4f0812b..db43b60 100644
--- a/Swiften/StreamStack/CompressionLayer.h
+++ b/Swiften/StreamStack/CompressionLayer.h
@@ -1,28 +1,29 @@
 /*
- * Copyright (c) 2010 Isode Limited.
+ * Copyright (c) 2010-2015 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #pragma once
 
 #include <boost/noncopyable.hpp>
 #include <Swiften/Base/boost_bsignals.h>
 
+#include <Swiften/Base/API.h>
 #include <Swiften/Base/SafeByteArray.h>
 #include <Swiften/StreamStack/StreamLayer.h>
 #include <Swiften/Compress/ZLibException.h>
 #include <Swiften/Compress/ZLibCompressor.h>
 #include <Swiften/Compress/ZLibDecompressor.h>
 
 namespace Swift {
 	class ZLibCompressor;
 	class ZLibDecompressor;
 
-	class CompressionLayer : public StreamLayer, boost::noncopyable {
+	class SWIFTEN_API CompressionLayer : public StreamLayer, boost::noncopyable {
 		public:
 			CompressionLayer() {}
 
 			virtual void writeData(const SafeByteArray& data) {
 				try {
 					writeDataToChildLayer(compressor_.process(data));