diff --git a/configs/stm32f746-disco_defconfig b/configs/stm32f746-disco_defconfig
index 1fb30d8ad6..057cb7e896 100644
--- a/configs/stm32f746-disco_defconfig
+++ b/configs/stm32f746-disco_defconfig
@@ -59,7 +59,7 @@ CONFIG_VIDEO=y
 CONFIG_BACKLIGHT_GPIO=y
 CONFIG_VIDEO_STM32=y
 CONFIG_VIDEO_STM32_MAX_XRES=480
-CONFIG_VIDEO_STM32_MAX_YRES=640
+CONFIG_VIDEO_STM32_MAX_YRES=272
 CONFIG_SPLASH_SCREEN=y
 CONFIG_SPLASH_SCREEN_ALIGN=y
 CONFIG_VIDEO_BMP_RLE8=y
diff --git a/configs/stm32f746-disco_spl_defconfig b/configs/stm32f746-disco_spl_defconfig
index 25ea254507..0534d62d00 100644
--- a/configs/stm32f746-disco_spl_defconfig
+++ b/configs/stm32f746-disco_spl_defconfig
@@ -85,7 +85,7 @@ CONFIG_VIDEO=y
 CONFIG_BACKLIGHT_GPIO=y
 CONFIG_VIDEO_STM32=y
 CONFIG_VIDEO_STM32_MAX_XRES=480
-CONFIG_VIDEO_STM32_MAX_YRES=640
+CONFIG_VIDEO_STM32_MAX_YRES=272
 CONFIG_SPLASH_SCREEN=y
 CONFIG_SPLASH_SCREEN_ALIGN=y
 CONFIG_VIDEO_BMP_RLE8=y