diff --git a/configs/stm32f429i-disco/fb/defconfig b/configs/stm32f429i-disco/fb/defconfig
index 531d328e2b5..48f7668b2eb 100644
--- a/configs/stm32f429i-disco/fb/defconfig
+++ b/configs/stm32f429i-disco/fb/defconfig
@@ -49,9 +49,9 @@ CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SPI_CMDDATA=y
-CONFIG_START_DAY=6
-CONFIG_START_MONTH=12
-CONFIG_START_YEAR=2011
+CONFIG_START_DAY=15
+CONFIG_START_MONTH=11
+CONFIG_START_YEAR=2017
 CONFIG_STM32_CCMEXCLUDE=y
 CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y
 CONFIG_STM32_DMA2D_NLAYERS=1
diff --git a/configs/stm32f429i-disco/nxwm/defconfig b/configs/stm32f429i-disco/nxwm/defconfig
index 6009c478f6b..35d0b725a07 100644
--- a/configs/stm32f429i-disco/nxwm/defconfig
+++ b/configs/stm32f429i-disco/nxwm/defconfig
@@ -86,9 +86,9 @@ CONFIG_SCHED_HPWORKPRIORITY=192
 CONFIG_SCHED_ONEXIT=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SDCLONE_DISABLE=y
-CONFIG_START_DAY=6
-CONFIG_START_MONTH=12
-CONFIG_START_YEAR=2011
+CONFIG_START_DAY=15
+CONFIG_START_MONTH=11
+CONFIG_START_YEAR=2017
 CONFIG_STM32_CCMEXCLUDE=y
 CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y
 CONFIG_STM32_DMA2D_NLAYERS=1