diff --git a/target/linux/ramips/dts/mt7620a_youku_yk-l1.dtsi b/target/linux/ramips/dts/mt7620a_youku_yk-l1.dtsi
index 301e8ebec..68d8c9366 100644
--- a/target/linux/ramips/dts/mt7620a_youku_yk-l1.dtsi
+++ b/target/linux/ramips/dts/mt7620a_youku_yk-l1.dtsi
@@ -86,8 +86,9 @@
 			};
 
 			firmware: partition@50000 {
-				compatible = "denx,uimage";
+				compatible = "openwrt,uimage", "denx,uimage";
 				label = "firmware";
+				openwrt,ih-magic = <0x12291000>;
 				/* reg property is set based on flash size in DTS files */
 			};
 		};
diff --git a/target/linux/ramips/dts/mt7621_youku_yk-l2.dts b/target/linux/ramips/dts/mt7621_youku_yk-l2.dts
index 627188873..c6bbe7ede 100644
--- a/target/linux/ramips/dts/mt7621_youku_yk-l2.dts
+++ b/target/linux/ramips/dts/mt7621_youku_yk-l2.dts
@@ -95,8 +95,9 @@
 			};
 
 			partition@50000 {
-				compatible = "denx,uimage";
+				compatible = "openwrt,uimage", "denx,uimage";
 				label = "firmware";
+				openwrt,ih-magic = <0x12291000>;
 				reg = <0x50000 0xfb0000>;
 			};
 		};
diff --git a/target/linux/ramips/image/mt7620.mk b/target/linux/ramips/image/mt7620.mk
index a5ce4e656..631e5043f 100644
--- a/target/linux/ramips/image/mt7620.mk
+++ b/target/linux/ramips/image/mt7620.mk
@@ -1160,6 +1160,8 @@ define Device/youku_yk-l1
   DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-sdhci-mt7620 \
 	kmod-usb-ledtrig-usbport
   SUPPORTED_DEVICES += youku-yk1 youku,yk1
+  UIMAGE_MAGIC := 0x12291000
+  UIMAGE_NAME := 400000000000000000000000
 endef
 TARGET_DEVICES += youku_yk-l1
 
@@ -1170,6 +1172,8 @@ define Device/youku_yk-l1c
   DEVICE_MODEL := YK-L1c
   DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-sdhci-mt7620 \
 	kmod-usb-ledtrig-usbport
+  UIMAGE_MAGIC := 0x12291000
+  UIMAGE_NAME := 400000000000000000000000
 endef
 TARGET_DEVICES += youku_yk-l1c
 
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 795f567c2..eb723b79d 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -1843,6 +1843,8 @@ define Device/youku_yk-l2
   DEVICE_MODEL := YK-L2
   DEVICE_PACKAGES := kmod-mt7603 kmod-mt76x2 kmod-usb3 \
 	kmod-usb-ledtrig-usbport
+  UIMAGE_MAGIC := 0x12291000
+  UIMAGE_NAME := 400000000000000000003000
 endef
 TARGET_DEVICES += youku_yk-l2