diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 831c4634162c6eb8db5dd72fe830a57c3c9a95fb..b3cca8c88e86c12f8626b592349a4d5140b307b2 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -154,6 +154,7 @@ header-y += icmpv6.h
 header-y += if.h
 header-y += if_addr.h
 header-y += if_addrlabel.h
+header-y += if_alg.h
 header-y += if_arcnet.h
 header-y += if_arp.h
 header-y += if_bonding.h