diff --git a/main.py b/main.py
index 232e041..da584fc 100755
--- a/main.py
+++ b/main.py
@@ -199,7 +199,8 @@ def apt_rootfs_prepare(
 
     for preinstall_script in preinstall_scripts:
         command(f"sudo mv {preinstall_script} {chroot}/root")
-        do_chroot_command(f"cd root && ./{preinstall_script}")
+        file_name = preinstall_script.split("/")[-1]
+        do_chroot_command(f"cd root && ./{file_name}")
 
     if create_ca:
         command(f"sudo cp {chroot}/etc/ssl/certs/ca.crt {output}")