diff --git a/configs/apple_m1_defconfig b/configs/apple_m1_defconfig
index 433cc62334..8583e4ad8c 100644
--- a/configs/apple_m1_defconfig
+++ b/configs/apple_m1_defconfig
@@ -2,7 +2,7 @@ CONFIG_ARM=y
 CONFIG_ARCH_APPLE=y
 CONFIG_DEFAULT_DEVICE_TREE="t8103-j274"
 CONFIG_DEBUG_UART_BASE=0x235200000
-CONFIG_DEBUG_UART_CLOCK=240000
+CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_LOAD_ADDR=0x880000000
 CONFIG_USE_PREBOOT=y