diff --git a/nlsr-sync-0.0/nlsr_face.h b/nlsr-sync-0.0/nlsr_face.h
index aae75f8..d50ea09 100644
--- a/nlsr-sync-0.0/nlsr_face.h
+++ b/nlsr-sync-0.0/nlsr_face.h
@@ -6,7 +6,7 @@
 #define OP_REG  0
 #define OP_UNREG 1
 
-int add_ccn_face(struct ccn *h, const char *uri, const char *address, const unsigned int port);
-int delete_ccn_face(struct ccn *h, const char *uri, const char *address, const unsigned int port);
+int add_ccn_face(struct ccn *h, const char *uri, const char *address, const unsigned int port,unsigned int tunnel_proto);
+int delete_ccn_face(struct ccn *h, const char *uri, const char *address, const unsigned int port,unsigned int tunnel_proto);
 
 #endif