diff --git a/control/kern/tproxy.c b/control/kern/tproxy.c
index aa97329bf6..276b8cdda6 100644
--- a/control/kern/tproxy.c
+++ b/control/kern/tproxy.c
@@ -138,7 +138,7 @@ struct routing_result {
   __u32 pid;
 };
 
-struct __attribute__((packed)) dst_routing_result {
+struct dst_routing_result {
   __be32 ip[4];
   __be16 port;
   __u16 recognize;