diff --git a/src/server/shared/Networking/Socket.h b/src/server/shared/Networking/Socket.h
index d9d03b8bbd9..38d88e3592c 100644
--- a/src/server/shared/Networking/Socket.h
+++ b/src/server/shared/Networking/Socket.h
@@ -34,7 +34,7 @@ using boost::asio::ip::tcp;
 template<class T, class PacketType>
 class Socket : public std::enable_shared_from_this<T>
 {
-    typedef std::conditional<std::is_pointer<PacketType>::value, PacketType, PacketType const&>::type WritePacketType;
+    typedef typename std::conditional<std::is_pointer<PacketType>::value, PacketType, PacketType const&>::type WritePacketType;
 
 public:
     Socket(tcp::socket&& socket, std::size_t headerSize) : _socket(std::move(socket)), _headerSize(headerSize) { }