diff --git a/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-common.dtsi b/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-common.dtsi
index 335ee93989f..02fec97f95f 100644
--- a/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-common.dtsi
+++ b/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-common.dtsi
@@ -168,7 +168,7 @@
                 #size-cells = <1>;
                 compatible = "spi-nand";
                 reg = <1>;
-                spi-max-frequency = <10000000>;
+                spi-max-frequency = <20000000>;
                 spi-tx-bus-width = <4>;
                 spi-rx-bus-width = <4>;