diff --git a/impl/src/layer2/tundev.c b/impl/src/layer2/tundev.c
index 76ad311..c123a4b 100644
--- a/impl/src/layer2/tundev.c
+++ b/impl/src/layer2/tundev.c
@@ -29,7 +29,7 @@ int tundev_open(char *dev)
 	struct ifreq ifr;
 	memset(&ifr, 0, sizeof(ifr));
 
-	ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
+	ifr.ifr_flags = IFF_TUN;
 
 	strncpy(ifr.ifr_name, dev, IFNAMSIZ);