diff --git a/classes/extlinuxconf-stm32mp.bbclass b/classes/extlinuxconf-stm32mp.bbclass
index 22f1e00..9586d3b 100644
--- a/classes/extlinuxconf-stm32mp.bbclass
+++ b/classes/extlinuxconf-stm32mp.bbclass
@@ -80,7 +80,7 @@ UBOOT_EXTLINUX_FDT ??= ""
 UBOOT_EXTLINUX_FDTDIR ??= "../"
 UBOOT_EXTLINUX_KERNEL_IMAGE ?= "/${KERNEL_IMAGETYPE}"
 UBOOT_EXTLINUX_KERNEL_ARGS ?= "rootwait rw"
-UBOOT_EXTLINUX_TIMEOUT ?= "20"
+UBOOT_EXTLINUX_TIMEOUT ?= "0"
 
 def create_extlinux_file(cfile, labels, data):
     """