diff --git a/src/openvpn/tun.c b/src/openvpn/tun.c
index 245a6507..7976ad11 100644
--- a/src/openvpn/tun.c
+++ b/src/openvpn/tun.c
@@ -1755,6 +1755,7 @@ open_tun_generic(const char *dev, const char *dev_type, const char *dev_node,
         if (dev_node)
         {
             openvpn_snprintf(tunname, sizeof(tunname), "%s", dev_node);
+            strncpynt(dynamic_name, dev, sizeof(dynamic_name));
         }
         else
         {