diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
index 042b4e6d909f..4d9632ea80b4 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
@@ -247,9 +247,9 @@
 			#size-cells = <0>;
 			reg = <0>;
 
-			pcf8563: rtc@50 {
+			pcf8563: rtc@51 {
 				compatible = "nxp,pcf8563";
-				reg = <0x50>;
+				reg = <0x51>;
 				//interrupts = <&pio 6 IRQ_TYPE_LEVEL_LOW>;
 				#clock-cells = <0>;
 				//status = "disabled";