diff --git a/target/linux/ramips/dts/rt3052_zyxel_keenetic.dts b/target/linux/ramips/dts/rt3052_zyxel_keenetic.dts
index ad641f47e4..436743cff3 100644
--- a/target/linux/ramips/dts/rt3052_zyxel_keenetic.dts
+++ b/target/linux/ramips/dts/rt3052_zyxel_keenetic.dts
@@ -48,7 +48,7 @@
 			partition@50000 {
 				compatible = "denx,uimage";
 				label = "firmware";
-				reg = <0x50000 0x3b0000>;
+				reg = <0x50000 0x7b0000>;
 			};
 		};
 	};
diff --git a/target/linux/ramips/image/rt305x.mk b/target/linux/ramips/image/rt305x.mk
index 411f014800..819e9ac7cf 100644
--- a/target/linux/ramips/image/rt305x.mk
+++ b/target/linux/ramips/image/rt305x.mk
@@ -1150,7 +1150,7 @@ TARGET_DEVICES += zorlik_zl5900v2
 define Device/zyxel_keenetic
   SOC := rt3052
   BLOCKSIZE := 64k
-  IMAGE_SIZE := 3776k
+  IMAGE_SIZE := 7872k
   DEVICE_VENDOR := ZyXEL
   DEVICE_MODEL := Keenetic
   DEVICE_PACKAGES := kmod-usb2 kmod-usb-ehci kmod-usb-ledtrig-usbport