diff --git a/build/build-image.sh b/build/build-image.sh
index 7f216a1..4245056 100755
--- a/build/build-image.sh
+++ b/build/build-image.sh
@@ -94,12 +94,16 @@ else echo "FALSE" > "$DISTPATH"/usr/share/halogenos/meta/securesys; fi
 # Create images dir and img files
 mkdir -p /build/images
 dd if=/dev/zero of=/build/images/usr.img bs=1 count=0 seek=2G
+mkfs.ext4 /build/images/usr.img
 dd if=/dev/zero of=/build/images/verity.img bs=1 count=0 seek=2000M 
 
 # Create squashfs
 mksquashfs "$DISTPATH" /build/artifacts/usr.squashfs
 
-# Image squashfs filesystem onto usr img
-dd if=/build/artifacts/usr.squashfs of=/build/images/usr.img
+# Install squashfs filesystem onto usr img
+mkdir -p /mnt/usr
+mount /build/images/usr.img /mnt/usr
+cp /build/artifacts/usr.squashfs /mnt/usr
+umount /mnt/usr
 
 # Build verity
\ No newline at end of file
diff --git a/compose.yml b/compose.yml
index 3774282..2aa6f94 100644
--- a/compose.yml
+++ b/compose.yml
@@ -2,6 +2,7 @@ services:
   build:
     image: docker.io/gentoo/stage3:musl-hardened
     command: /build/build-image.sh
+    privileged: true
     environment:
       DISTPATH: "/build/artifacts/dist"
       IMGPATH: "/build/images"