diff --git a/libretroshare/src/gxs/rsnxs.h b/libretroshare/src/gxs/rsnxs.h
index c59dd4fab..8d53f2147 100644
--- a/libretroshare/src/gxs/rsnxs.h
+++ b/libretroshare/src/gxs/rsnxs.h
@@ -61,6 +61,7 @@ class RsNetworkExchangeService
 public:
 
 	RsNetworkExchangeService(){ return;}
+    virtual ~RsNetworkExchangeService() {}
 
     /*!
      * Use this to set how far back synchronisation of messages should take place