diff --git a/src/utils/socket.h b/src/utils/socket.h
index 156f455a0..ac3e96665 100644
--- a/src/utils/socket.h
+++ b/src/utils/socket.h
@@ -125,7 +125,9 @@ class TCPSocket {
    * \brief shutdown the socket module after use, all sockets need to be closed
    */  
   inline static void Finalize(void) {
+#ifdef _WIN32
     WSACleanup();
+#endif
   }
   /*! 
    * \brief set this socket to use non-blocking mode