diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index c1241c42..8ee8af4 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -232,6 +232,7 @@
 	LINUX_MIB_TCPTIMEWAITOVERFLOW,		/* TCPTimeWaitOverflow */
 	LINUX_MIB_TCPREQQFULLDOCOOKIES,		/* TCPReqQFullDoCookies */
 	LINUX_MIB_TCPREQQFULLDROP,		/* TCPReqQFullDrop */
+	LINUX_MIB_TCPRETRANSFAIL,		/* TCPRetransFail */
 	__LINUX_MIB_MAX
 };