diff --git a/device.go b/device.go
index 7a23350..5f468b2 100644
--- a/device.go
+++ b/device.go
@@ -37,10 +37,10 @@ type Device struct {
 	net struct {
 		starting sync.WaitGroup
 		stopping sync.WaitGroup
-		mutex  sync.RWMutex
-		bind   Bind   // bind interface
-		port   uint16 // listening port
-		fwmark uint32 // mark value (0 = disabled)
+		mutex    sync.RWMutex
+		bind     Bind   // bind interface
+		port     uint16 // listening port
+		fwmark   uint32 // mark value (0 = disabled)
 	}
 
 	staticIdentity struct {
diff --git a/tun_darwin.go b/tun_darwin.go
index a74dbac..23c0b54 100644
--- a/tun_darwin.go
+++ b/tun_darwin.go
@@ -177,7 +177,6 @@ func CreateTUNFromFile(file *os.File) (TUNDevice, error) {
 		return nil, err
 	}
 
-
 	tunIfindex, err := func() (int, error) {
 		iface, err := net.InterfaceByName(name)
 		if err != nil {