diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
index 71ba7b6b3a337..6713b1ea732b0 100644
--- a/arch/arm/boot/dts/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/r8a7791-porter.dts
@@ -200,6 +200,7 @@
 		m25p,fast-read;
 
 		partitions {
+			compatible = "fixed-partitions";
 			#address-cells = <1>;
 			#size-cells = <1>;