diff --git a/gtests/net/packetdrill/packet_socket_linux.c b/gtests/net/packetdrill/packet_socket_linux.c
index a1f49e23..36655724 100644
--- a/gtests/net/packetdrill/packet_socket_linux.c
+++ b/gtests/net/packetdrill/packet_socket_linux.c
@@ -36,6 +36,7 @@
 
 #include <netpacket/packet.h>
 #include <linux/filter.h>
+#include <linux/sockios.h>
 
 #include "assert.h"
 #include "ethernet.h"