1 files changed, 3 insertions, 3 deletions
diff --git a/Swiften/Network/NullNATTraverser.h b/Swiften/Network/NullNATTraverser.h
index d3a6640..2f975bf 100644
--- a/Swiften/Network/NullNATTraverser.h
+++ b/Swiften/Network/NullNATTraverser.h
@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2011-2016 Isode Limited.
+ * Copyright (c) 2011-2018 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #pragma once
@@ -14,12 +14,12 @@ namespace Swift {
     class NullNATTraverser : public NATTraverser {
         public:
             NullNATTraverser(EventLoop* eventLoop);
 
             std::shared_ptr<NATTraversalGetPublicIPRequest> createGetPublicIPRequest();
-            std::shared_ptr<NATTraversalForwardPortRequest> createForwardPortRequest(int localPort, int publicPort);
-            std::shared_ptr<NATTraversalRemovePortForwardingRequest> createRemovePortForwardingRequest(int localPort, int publicPort);
+            std::shared_ptr<NATTraversalForwardPortRequest> createForwardPortRequest(unsigned short localPort, unsigned short publicPort);
+            std::shared_ptr<NATTraversalRemovePortForwardingRequest> createRemovePortForwardingRequest(unsigned short localPort, unsigned short publicPort);
 
         private:
             EventLoop* eventLoop;
     };
 }