diff --git a/boards/heltec/heltec_wireless_stick_lite_v3/heltec_wireless_stick_lite_v3_procpu.dts b/boards/heltec/heltec_wireless_stick_lite_v3/heltec_wireless_stick_lite_v3_procpu.dts
index 854eb101fe4..d4b2f2b17e8 100644
--- a/boards/heltec/heltec_wireless_stick_lite_v3/heltec_wireless_stick_lite_v3_procpu.dts
+++ b/boards/heltec/heltec_wireless_stick_lite_v3/heltec_wireless_stick_lite_v3_procpu.dts
@@ -128,7 +128,7 @@
 		dio2-tx-enable;
 		dio3-tcxo-voltage = <SX126X_DIO3_TCXO_1V8>;
 		tcxo-power-startup-delay-ms = <5>;
-		spi-max-frequency = <16000000>;
+		spi-max-frequency = <4000000>;
 	};
 };