diff --git a/include/configs/imx8qm_rom7720.h b/include/configs/imx8qm_rom7720.h
index 1a55351..c2c5493 100644
--- a/include/configs/imx8qm_rom7720.h
+++ b/include/configs/imx8qm_rom7720.h
@@ -21,6 +21,8 @@
 #define USDHC2_BASE_ADDR		0x5B020000
 #define USDHC3_BASE_ADDR		0x5B030000
 
+#define CONFIG_SYS_BOOTM_LEN		SZ_64M
+
 /* FUSE command */
 
 /* Boot M4 */