diff --git a/builder.sh b/builder.sh
index 86aa297..a6a70f0 100755
--- a/builder.sh
+++ b/builder.sh
@@ -111,7 +111,7 @@ mksquashfs $CHROOT_DIR $IMAGE_DIR/casper/filesystem.squashfs \
     -comp xz -b 1M -Xdict-size 100% \
     -e "var/cache/apt/archives/*" -e "root/*" -e "root/.*" -e "tmp/*" -e "tmp/.*" -e "swapfile"
 
-printf $(du -sx --block-size=1 $CHROOT_DIR | cut -f1) | sudo tee $IMAGE_DIR/casper/filesystem.size
+printf $(du -sx --block-size=1 $CHROOT_DIR | cut -f1) | tee $IMAGE_DIR/casper/filesystem.size
 
 # Deboot strap real Ubuntu image
 debootstrap --arch=amd64 --variant=minbase noble $UBUNTU_CHROOT_DIR $DEBOOT_STRAP_URL