diff --git a/arch/riscv/boot/dts/thead/light-lpi4a-ref.dts b/arch/riscv/boot/dts/thead/light-lpi4a-ref.dts
index 803abc4c4..a7e88a301 100644
--- a/arch/riscv/boot/dts/thead/light-lpi4a-ref.dts
+++ b/arch/riscv/boot/dts/thead/light-lpi4a-ref.dts
@@ -865,7 +865,7 @@
 };
 
 &sdhci0 {
-	max-frequency = <198000000>;
+	max-frequency = <100000000>;
 	bus-width = <4>;
 	pull_up;
 	wprtn_ignore;