diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 4be34ef..93fa765 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -390,6 +390,7 @@
 	NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR=109,
 	NET_TCP_CONG_CONTROL=110,
 	NET_TCP_ABC=111,
+	NET_IPV4_IPFRAG_MAX_DIST=112,
 };
 
 enum {