diff --git a/arch/arm/boot/dts/st/stm32mp151c-plyaqm.dts b/arch/arm/boot/dts/st/stm32mp151c-plyaqm.dts
index 39a3211c6133..55fe916740d7 100644
--- a/arch/arm/boot/dts/st/stm32mp151c-plyaqm.dts
+++ b/arch/arm/boot/dts/st/stm32mp151c-plyaqm.dts
@@ -239,7 +239,7 @@ &i2s1 {
 
 	i2s1_port: port {
 		i2s1_endpoint: endpoint {
-			format = "i2s";
+			dai-format = "i2s";
 			mclk-fs = <256>;
 			remote-endpoint = <&codec_endpoint>;
 		};