diff --git a/target/linux/x86/image/Makefile b/target/linux/x86/image/Makefile
index 72a4d66ad7..174c272a51 100644
--- a/target/linux/x86/image/Makefile
+++ b/target/linux/x86/image/Makefile
@@ -111,8 +111,8 @@ define Device/Default
   IMAGE/combined.img.gz := grub-config pc | combined | grub-install | gzip | append-metadata
   IMAGE/combined.vdi := grub-config pc | combined | grub-install | qemu-image vdi
   IMAGE/combined.vmdk := grub-config pc | combined | grub-install | qemu-image vmdk
-  IMAGE/rootfs.img := append-rootfs
-  IMAGE/rootfs.img.gz := append-rootfs | gzip
+  IMAGE/rootfs.img := append-rootfs | pad-to $(ROOTFS_PARTSIZE)
+  IMAGE/rootfs.img.gz := append-rootfs | pad-to $(ROOTFS_PARTSIZE) | gzip
   ARTIFACT/image-efi.iso := grub-config iso | iso efi
   IMAGE/combined-efi.img := grub-config efi | combined efi | grub-install efi | append-metadata
   IMAGE/combined-efi.img.gz := grub-config efi | combined efi | grub-install efi | gzip | append-metadata