diff --git a/arch/arm/configs/htcleo_defconfig b/arch/arm/configs/htcleo_defconfig
index 35c39dcc..39d44265 100644
--- a/arch/arm/configs/htcleo_defconfig
+++ b/arch/arm/configs/htcleo_defconfig
@@ -494,6 +494,7 @@ CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=y
+CONFIG_XFRM_MODE_TUNNEL=y
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
 # CONFIG_XFRM_STATISTICS is not set