diff --git a/lib/tun2/server.go b/lib/tun2/server.go
index ec5b3d6..a2e0004 100644
--- a/lib/tun2/server.go
+++ b/lib/tun2/server.go
@@ -285,7 +285,7 @@ func (s *Server) HandleConn(c net.Conn, isKCP bool) {
 
 	ln.Log(ln.F{
 		"action": "backend_connected",
-	}, connection)
+	}, connection.F())
 
 	s.connlock.Lock()
 	s.conns[c] = connection
@@ -341,7 +341,7 @@ func (s *Server) RoundTrip(req *http.Request) (*http.Response, error) {
 			"remote_addr": req.RemoteAddr,
 			"host":        req.Host,
 			"uri":         req.RequestURI,
-		}, c)
+		}, c.F())
 
 		c.cancel()
 
@@ -356,7 +356,7 @@ func (s *Server) RoundTrip(req *http.Request) (*http.Response, error) {
 			"remote_addr": req.RemoteAddr,
 			"host":        req.Host,
 			"uri":         req.RequestURI,
-		}, c)
+		}, c.F())
 
 		c.cancel()
 
@@ -372,7 +372,7 @@ func (s *Server) RoundTrip(req *http.Request) (*http.Response, error) {
 			"remote_addr": req.RemoteAddr,
 			"host":        req.Host,
 			"uri":         req.RequestURI,
-		}, c)
+		}, c.F())
 
 		c.cancel()