diff --git a/target/linux/ath79/dts/ar7161_buffalo_wzr-hp-ag300h.dts b/target/linux/ath79/dts/ar7161_buffalo_wzr-hp-ag300h.dts
index e87f422051..b3855eff06 100644
--- a/target/linux/ath79/dts/ar7161_buffalo_wzr-hp-ag300h.dts
+++ b/target/linux/ath79/dts/ar7161_buffalo_wzr-hp-ag300h.dts
@@ -234,14 +234,14 @@
 	flash0: flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		spi-max-frequency = <104000000>;
+		spi-max-frequency = <50000000>;
 		m25p,fast-read;
 	};
 
 	flash1: flash@1 {
 		compatible = "jedec,spi-nor";
 		reg = <1>;
-		spi-max-frequency = <104000000>;
+		spi-max-frequency = <50000000>;
 		m25p,fast-read;
 	};
 };