diff --git a/net/strongswan/Makefile b/net/strongswan/Makefile
index 5626ff3b0..d80e2b1b7 100644
--- a/net/strongswan/Makefile
+++ b/net/strongswan/Makefile
@@ -687,7 +687,7 @@ $(eval $(call BuildPlugin,eap-radius,EAP RADIUS auth,))
 $(eval $(call BuildPlugin,eap-tls,EAP TLS auth,+strongswan-libtls))
 $(eval $(call BuildPlugin,farp,fake arp respsonses,))
 $(eval $(call BuildPlugin,fips-prf,FIPS PRF crypto,+strongswan-mod-sha1))
-$(eval $(call BuildPlugin,forecast,forward multi/broadcast traffic,+iptables-legacy +kmod-ipt-conntrack-extra))
+$(eval $(call BuildPlugin,forecast,forward multi/broadcast traffic,+libip4tc +kmod-ipt-conntrack-extra))
 $(eval $(call BuildPlugin,gcm,GCM AEAD wrapper crypto,))
 $(eval $(call BuildPlugin,gcrypt,libgcrypt,+PACKAGE_strongswan-mod-gcrypt:libgcrypt))
 $(eval $(call BuildPlugin,gmp,libgmp,+PACKAGE_strongswan-mod-gmp:libgmp))