diff --git a/target/linux/lantiq/config-4.4 b/target/linux/lantiq/config-4.4
index 08a1228704..5d4b7cc815 100644
--- a/target/linux/lantiq/config-4.4
+++ b/target/linux/lantiq/config-4.4
@@ -141,7 +141,7 @@ CONFIG_MTD_SPLIT_BRNIMAGE_FW=y
 CONFIG_MTD_SPLIT_EVA_FW=y
 CONFIG_MTD_SPLIT_FIRMWARE=y
 CONFIG_MTD_SPLIT_TPLINK_FW=y
-CONFIG_MTD_SPLIT_UIMAGE_FW=Y
+CONFIG_MTD_SPLIT_UIMAGE_FW=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NEED_PER_CPU_KM=y
 CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y