diff --git a/preseed.cfg b/preseed.cfg
index 5400aa0..be64c49 100644
--- a/preseed.cfg
+++ b/preseed.cfg
@@ -32,7 +32,6 @@ d-i user-setup/allow-password-weak boolean true
 d-i clock-setup/utc boolean true
 d-i clock-setup/ntp boolean true
 
-d-i partman-auto/disk string /dev/sda
 d-i partman-auto/method string regular
 d-i partman-auto/choose_recipe select atomic
 d-i partman/confirm_write_new_label boolean true