diff --git a/libc/kernel/uapi/linux/openvswitch.h b/libc/kernel/uapi/linux/openvswitch.h
index 581a371..99a987d 100644
--- a/libc/kernel/uapi/linux/openvswitch.h
+++ b/libc/kernel/uapi/linux/openvswitch.h
@@ -92,6 +92,7 @@
   OVS_PACKET_ATTR_PROBE,
   OVS_PACKET_ATTR_MRU,
   OVS_PACKET_ATTR_LEN,
+  OVS_PACKET_ATTR_HASH,
   __OVS_PACKET_ATTR_MAX
 };
 #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)