diff --git a/tests/drivers/mspi/api/boards/nrf54l15dk_nrf54l15_cpuapp.overlay b/tests/drivers/mspi/api/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
index 3d5db366dc5..90884a44f24 100644
--- a/tests/drivers/mspi/api/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
+++ b/tests/drivers/mspi/api/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
@@ -18,7 +18,7 @@
 			status = "okay";
 			compatible = "zephyr,mspi-emul-device";
 			reg = <0x0>;
-			mspi-max-frequency = <48000000>;
+			mspi-max-frequency =  <DT_FREQ_M(1)>;
 		};
 	};
 };