diff --git a/bitbake/bin/image-writer b/bitbake/bin/image-writer
index 86c38b5769..7d7116780b 100755
--- a/bitbake/bin/image-writer
+++ b/bitbake/bin/image-writer
@@ -34,7 +34,7 @@ from bb.ui.crumbs.hig.deployimagedialog import DeployImageDialog
 from bb.ui.crumbs.hig.imageselectiondialog import ImageSelectionDialog
 
 # I put all the fs bitbake supported here. Need more test.
-DEPLOYABLE_IMAGE_TYPES = ["jffs2", "cramfs", "ext2", "ext3", "btrfs", "squashfs", "ubi", "vmdk"]
+DEPLOYABLE_IMAGE_TYPES = ["jffs2", "cramfs", "ext2", "ext3", "ext4", "btrfs", "squashfs", "ubi", "vmdk"]
 Title = "USB Image Writer"
 
 class DeployWindow(gtk.Window):