diff --git a/conf/machine/include/phyimx8m.inc b/conf/machine/include/phyimx8m.inc
index 2fc6e5ecf..1a297effe 100644
--- a/conf/machine/include/phyimx8m.inc
+++ b/conf/machine/include/phyimx8m.inc
@@ -11,7 +11,7 @@ IMAGE_BOOT_FILES = "fitImage boot.scr.uimg"
 IMAGE_BOOT_FILES:mx8m-nxp-bsp = "fitImage overlays.txt boot.scr.uimg"
 IMAGE_BOOT_FILES:mx8m-nxp-bsp:secureboot = "fitImage boot.scr.uimg"
 KERNEL_CLASSES += "kernel-fit-extra-artifacts"
-IMAGE_INSTALL:append = "linux-yocto-fitimage"
+IMAGE_INSTALL:append = " linux-yocto-fitimage"
 
 # fdt_addr_r
 UBOOT_DTB_LOADADDRESS ?= "0x40480000"
diff --git a/conf/machine/include/phyimx91.inc b/conf/machine/include/phyimx91.inc
index fbd924950..75351c97d 100644
--- a/conf/machine/include/phyimx91.inc
+++ b/conf/machine/include/phyimx91.inc
@@ -32,7 +32,7 @@ UBOOT_DTB_LOADADDRESS = "0x8A380000"
 UBOOT_DTBO_LOADADDRESS = "0x8A440000"
 
 KERNEL_CLASSES += "kernel-fit-extra-artifacts"
-IMAGE_INSTALL:append = "linux-yocto-fitimage"
+IMAGE_INSTALL:append = " linux-yocto-fitimage"
 
 INITRAMFS_MAXSIZE = "262144"
 
diff --git a/conf/machine/include/phyimx93.inc b/conf/machine/include/phyimx93.inc
index eed5207b8..aba78ae0a 100644
--- a/conf/machine/include/phyimx93.inc
+++ b/conf/machine/include/phyimx93.inc
@@ -36,7 +36,7 @@ UBOOT_DTBO_LOADADDRESS = "0x8A440000"
 UBOOT_PROVIDES_BOOT_CONTAINER:use-mainline-bsp = "1"
 
 KERNEL_CLASSES += "kernel-fit-extra-artifacts"
-IMAGE_INSTALL:append = "linux-yocto-fitimage"
+IMAGE_INSTALL:append = " linux-yocto-fitimage"
 
 # TFA
 IMX_DEFAULT_ATF_PROVIDER:use-mainline-bsp ?= "trusted-firmware-a"