diff --git a/configs/stm32f429-discovery_defconfig b/configs/stm32f429-discovery_defconfig
index 59416cb7e43..36e57edbb4d 100644
--- a/configs/stm32f429-discovery_defconfig
+++ b/configs/stm32f429-discovery_defconfig
@@ -15,7 +15,7 @@ CONFIG_ENV_ADDR=0x8040000
 CONFIG_ENV_VARS_UBOOT_CONFIG=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
+CONFIG_BOOTARGS="console=ttySTM0,115200 earlyprintk consoleblank=0 ignore_loglevel"
 CONFIG_SYS_PBSIZE=1050
 # CONFIG_DISPLAY_CPUINFO is not set
 # CONFIG_DISPLAY_BOARDINFO is not set