diff --git a/release/src-rt-6.x/linux/linux-2.6/config_base b/release/src-rt-6.x/linux/linux-2.6/config_base
index 4b5a7955cb..e657210d29 100644
--- a/release/src-rt-6.x/linux/linux-2.6/config_base
+++ b/release/src-rt-6.x/linux/linux-2.6/config_base
@@ -410,7 +410,7 @@ CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
 CONFIG_NETFILTER_XT_MATCH_CONNBYTES=y
 CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
 CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
-# CONFIG_NETFILTER_XT_MATCH_CONNTRACK is not set
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
 # CONFIG_NETFILTER_XT_MATCH_DCCP is not set
 CONFIG_NETFILTER_XT_MATCH_DSCP=m
 # CONFIG_NETFILTER_XT_MATCH_ESP is not set