diff --git a/config-generic b/config-generic
index 67bb6a78d..4a8015fc7 100644
--- a/config-generic
+++ b/config-generic
@@ -833,6 +833,7 @@ CONFIG_IP_NF_TARGET_LOG=m
 CONFIG_IP_NF_TARGET_ULOG=m
 CONFIG_IP_NF_TARGET_REJECT=y
 CONFIG_IP_NF_TARGET_TTL=m
+CONFIG_NF_NAT_IPV4=m
 CONFIG_IP_NF_MANGLE=m
 CONFIG_IP_NF_ARPTABLES=m
 CONFIG_IP_NF_ARPFILTER=m
@@ -864,6 +865,7 @@ CONFIG_IP6_NF_SECURITY=m
 CONFIG_IP6_NF_TARGET_LOG=m
 CONFIG_IP6_NF_TARGET_REJECT=m
 CONFIG_IP6_NF_TARGET_HL=m
+CONFIG_NF_NAT_IPV6=m
 
 #
 # Bridge: Netfilter Configuration