diff --git a/elements/iso/cleanup.d/100-build-iso b/elements/iso/cleanup.d/100-build-iso
index 62d4b9d2..0efc6439 100755
--- a/elements/iso/cleanup.d/100-build-iso
+++ b/elements/iso/cleanup.d/100-build-iso
@@ -134,12 +134,14 @@ IMAGE_NAME=${IMAGE_NAME:-'image'}
 if echo $IMAGE_ELEMENT | grep -q '\bramdisk\b'; then
     EMITTED_KERNEL=$IMAGE_NAME.kernel
     EMITTED_RAMDISK=$IMAGE_NAME.initramfs
-    EMITTED_KERNEL_CMDLINE_ARGS="boot_method=vmedia"
+    DIB_DEPLOY_ISO_KERNEL_CMDLINE_ARGS=${DIB_DEPLOY_ISO_KERNEL_CMDLINE_ARGS:-}
+    EMITTED_KERNEL_CMDLINE_ARGS="boot_method=vmedia $DIB_DEPLOY_ISO_KERNEL_CMDLINE_ARGS"
     EMITTED_ISO_FILENAME=$IMAGE_NAME.iso
 elif echo $IMAGE_ELEMENT | grep -q '\bironic-agent\b'; then
     EMITTED_KERNEL=$IMAGE_NAME.vmlinuz
     EMITTED_RAMDISK=$IMAGE_NAME.initramfs
-    EMITTED_KERNEL_CMDLINE_ARGS="boot_method=vmedia"
+    DIB_DEPLOY_ISO_KERNEL_CMDLINE_ARGS=${DIB_DEPLOY_ISO_KERNEL_CMDLINE_ARGS:-}
+    EMITTED_KERNEL_CMDLINE_ARGS="boot_method=vmedia $DIB_DEPLOY_ISO_KERNEL_CMDLINE_ARGS"
     EMITTED_ISO_FILENAME=$IMAGE_NAME.iso
 elif echo $IMAGE_ELEMENT | grep -q '\bbaremetal\b'; then
     EMITTED_KERNEL=${IMAGE_NAME}.vmlinuz