diff --git a/target/linux/generic-2.6/config-template b/target/linux/generic-2.6/config-template
index d06096ee2d9..4729f28737e 100644
--- a/target/linux/generic-2.6/config-template
+++ b/target/linux/generic-2.6/config-template
@@ -695,7 +695,7 @@ CONFIG_NETFILTER_XT_TARGET_MARK=m
 CONFIG_NETFILTER_XT_TARGET_NFLOG=m
 CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
 CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
-CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
 # CONFIG_NETPOLL is not set
 # CONFIG_NETROM is not set
 # CONFIG_NETWORK_SECMARK is not set