diff --git a/modules/backup.nix b/modules/backup.nix
index 03d6ec0..b0b43d8 100644
--- a/modules/backup.nix
+++ b/modules/backup.nix
@@ -52,10 +52,12 @@ in
           --no-check-dest
 
         # Purge old file versions to stay under storage cap
+        sleep 2
         ${pkgs.rclone}/bin/rclone cleanup \
           ":b2:${b2Bucket}" \
           --b2-account "$B2_ACCOUNT" \
           --b2-key "$B2_KEY" \
+          --b2-hard-delete \
           --config /dev/null
 
         # Clean up local temp file