diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 831c4634162c..b3cca8c88e86 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