diff --git a/target/linux/ramips/dts/mt7621_unielec_u7621-01-16m.dts b/target/linux/ramips/dts/mt7621_unielec_u7621-01-16m.dts
index c933e443c12..d6189f3d58a 100644
--- a/target/linux/ramips/dts/mt7621_unielec_u7621-01-16m.dts
+++ b/target/linux/ramips/dts/mt7621_unielec_u7621-01-16m.dts
@@ -13,7 +13,7 @@
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		spi-max-frequency = <14000000>;
+		spi-max-frequency = <50000000>;
 
 		partitions {
 			compatible = "fixed-partitions";