diff --git a/p2p/nat/natupnp.go b/p2p/nat/natupnp.go
index f98d1f043a..0080e3fc4d 100644
--- a/p2p/nat/natupnp.go
+++ b/p2p/nat/natupnp.go
@@ -83,7 +83,6 @@ func (n *upnp) ExternalIP() (addr net.IP, err error) {
 }
 
 func (n *upnp) AddMapping(protocol string, extport, intport int, desc string, lifetime time.Duration) (uint16, error) {
-
 	ip, err := n.internalAddress()
 	if err != nil {
 		return 0, err
diff --git a/p2p/server_nat.go b/p2p/server_nat.go
index f4e222ef0a..3cf14a8b18 100644
--- a/p2p/server_nat.go
+++ b/p2p/server_nat.go
@@ -198,7 +198,6 @@ func (srv *Server) portMappingLoop() {
 					}
 				}
 				m.nextTime = srv.clock.Now().Add(portMapRefreshInterval)
-
 			}
 		}
 	}