diff --git a/live-build/auto/build b/live-build/auto/build
index 7e939c2c..0b0a46a0 100755
--- a/live-build/auto/build
+++ b/live-build/auto/build
@@ -492,6 +492,9 @@ EOF
 
 			squashfs_f_manifest="${squashfs_f}.manifest"
 			create_manifest "chroot.${_PASS}/" "${squashfs_f_manifest}"
+			squashfs_f_size="${squashfs_f}.size"
+			du -B 1 -s "chroot.${_PASS}/" | cut -f1 > "${squashfs_f_size}"
+
 			CURPASS=$(( CURPASS + 1 ))
 		done
 	fi