diff --git a/fdts/stm32mp257f-dk.dts b/fdts/stm32mp257f-dk.dts
index 853674ebe9..5eaa457b3b 100644
--- a/fdts/stm32mp257f-dk.dts
+++ b/fdts/stm32mp257f-dk.dts
@@ -199,7 +199,7 @@
 
 &sdmmc1 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&sdmmc1_b4_pins_a>;
+	pinctrl-0 = <&sdmmc1_b4_pins_b>;
 	st,neg-edge;
 	bus-width = <4>;
 	vmmc-supply = <&vdd_sdcard>;