diff --git a/configs/stm32mp15-microgea-stm32mp1-microdev2-of7_defconfig b/configs/stm32mp15-microgea-stm32mp1-microdev2-of7_defconfig
index dd27097..d503c1a 100644
--- a/configs/stm32mp15-microgea-stm32mp1-microdev2-of7_defconfig
+++ b/configs/stm32mp15-microgea-stm32mp1-microdev2-of7_defconfig
@@ -32,6 +32,7 @@
 CONFIG_SPL_POWER=y
 CONFIG_SYS_PROMPT="STM32MP> "
 CONFIG_SYS_PBSIZE=1050
+CONFIG_SYS_BOOTM_LEN=0x2000000
 CONFIG_CMD_ADTIMG=y
 CONFIG_CMD_ERASEENV=y
 CONFIG_CMD_MEMINFO=y