diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index ca8dc38..733a462 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -408,6 +408,7 @@
   u32 ckpair_index;
   u8 crypto_engine;
   u8 flags;
+  u8 dscp;
   uword ext_config;
 } __clib_packed session_connect_msg_t;