diff --git a/check-needles.py b/check-needles.py
index b0faba7f..c65370c9 100755
--- a/check-needles.py
+++ b/check-needles.py
@@ -90,7 +90,7 @@ for scheme in ("standard", "lvmthin", "btrfs", "lvm"):
 # custom_blivet_add_partition
 for dtype in ("lvmvg", "lvmlv", "lvmthin", "raid"):
     testliterals.append(f"anaconda_blivet_part_devicetype_{dtype}")
-for fsys in ("ext4", "xfs", "btrfs", "ppc_prep_boot", "swap", "efi_filesystem"):
+for fsys in ("ext4", "xfs", "btrfs", "ppc_prep_boot", "swap", "efi_filesystem", "biosboot"):
     testliterals.append(f"anaconda_blivet_part_fs_{fsys}")
     testliterals.append(f"anaconda_blivet_part_fs_{fsys}_selected")
 # this is variable-y in custom_change_type but we only actually have