diff --git a/TunDevice.cpp b/TunDevice.cpp
index a7b3fe2..33bf0a1 100644
--- a/TunDevice.cpp
+++ b/TunDevice.cpp
@@ -29,7 +29,7 @@ TunDevice::TunDevice(const std::string& dev)
      *
      *        IFF_NO_PI - Do not provide packet information
      */
-    ifr.ifr_flags = IFF_TUN;
+    ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
     if(!dev.empty()) {
         if(dev.size() >= IFNAMSIZ - 2)
             throw TunDevice::InitializationError("Device name is too long.");