diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-snfi-nand.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-snfi-nand.dts
index c4b2721..adbfb7c 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-snfi-nand.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-snfi-nand.dts
@@ -61,7 +61,7 @@
 
 			partition@780000 {
 				label = "ubi";
-				reg = <0x780000 0x4000000>;
+				reg = <0x780000 0x7080000>;
 			};
 		};
 	};
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988c-dsa-10g-snfi-nand.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988c-dsa-10g-snfi-nand.dts
index 53b9668..972452f 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988c-dsa-10g-snfi-nand.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988c-dsa-10g-snfi-nand.dts
@@ -61,7 +61,7 @@
 
 			partition@780000 {
 				label = "ubi";
-				reg = <0x780000 0x4000000>;
+				reg = <0x780000 0x7080000>;
 			};
 		};
 	};