diff --git a/conf/machine/colibri-imx6.conf b/conf/machine/colibri-imx6.conf
index 99c2f57..425c915 100644
--- a/conf/machine/colibri-imx6.conf
+++ b/conf/machine/colibri-imx6.conf
@@ -20,6 +20,7 @@ RDEPENDS_${KERNEL_PACKAGE_NAME}-base = ""
 IMX_DEFAULT_BOOTLOADER = "u-boot-toradex"
 PREFERRED_PROVIDER_u-boot-default-script = "u-boot-script-toradex"
 
+UBOOT_SUFFIX = "img"
 SPL_BINARY = "SPL"
 UBOOT_CONFIG ??= "spl"
 UBOOT_CONFIG[spl] = "colibri_imx6_defconfig,,u-boot.img"