diff --git a/archiso/mkarchiso b/archiso/mkarchiso
index 7fd4c41bf1e546069f5677315af15dd38e592e83..4a010adaa0d31f629efd552ab28939b748965c13 100755
--- a/archiso/mkarchiso
+++ b/archiso/mkarchiso
@@ -205,7 +205,7 @@ _cleanup () {
     find "${work_dir}" \( -name '*.pacnew' -o -name '*.pacsave' -o -name '*.pacorig' \) -delete
     _msg_info "Done!"
     # Create an empty /etc/machine-id
-    printf '' > "${work_dir}/airootfs/etc/machine-id"
+    printf '' > "${airootfs_dir}/etc/machine-id"
 }
 
 # Makes a ext4 filesystem inside a SquashFS from a source directory.