diff --git a/target/linux/ipq806x/config-3.18 b/target/linux/ipq806x/config-3.18
index 3d4f8bb2c1..7b4c2d3a73 100644
--- a/target/linux/ipq806x/config-3.18
+++ b/target/linux/ipq806x/config-3.18
@@ -267,7 +267,7 @@ CONFIG_MTD_SPLIT_FIRMWARE=y
 CONFIG_MTD_SPLIT_FIT_FW=y
 CONFIG_MTD_UBI=y
 CONFIG_MTD_UBI_BEB_LIMIT=20
-# CONFIG_MTD_UBI_BLOCK is not set
+CONFIG_MTD_UBI_BLOCK=y
 # CONFIG_MTD_UBI_FASTMAP is not set
 # CONFIG_MTD_UBI_GLUEBI is not set
 CONFIG_MTD_UBI_WL_THRESHOLD=4096
diff --git a/target/linux/ipq806x/config-4.1 b/target/linux/ipq806x/config-4.1
index d48943c11c..6fff6d25b9 100644
--- a/target/linux/ipq806x/config-4.1
+++ b/target/linux/ipq806x/config-4.1
@@ -274,7 +274,7 @@ CONFIG_MTD_SPLIT_FIRMWARE=y
 CONFIG_MTD_SPLIT_FIT_FW=y
 CONFIG_MTD_UBI=y
 CONFIG_MTD_UBI_BEB_LIMIT=20
-# CONFIG_MTD_UBI_BLOCK is not set
+CONFIG_MTD_UBI_BLOCK=y
 # CONFIG_MTD_UBI_FASTMAP is not set
 # CONFIG_MTD_UBI_GLUEBI is not set
 CONFIG_MTD_UBI_WL_THRESHOLD=4096