diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index ab86137..e787044 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -485,3 +485,4 @@
 MODULE_DESCRIPTION("IP Payload Compression Protocol (IPComp) - RFC3173");
 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
 
+MODULE_ALIAS_XFRM_TYPE(AF_INET, XFRM_PROTO_COMP);