diff --git a/scripts/wk/clone/ddrescue.py b/scripts/wk/clone/ddrescue.py
index ce5d60c5..0554c570 100644
--- a/scripts/wk/clone/ddrescue.py
+++ b/scripts/wk/clone/ddrescue.py
@@ -652,7 +652,7 @@ def zero_fill_gaps(
   full_disk_clone = bool(
     state.mode == 'Clone'
     and len(state.block_pairs) == 1
-    and not state.source.parent
+    and state.source.path == state.block_pairs[0].source
     )
   larger_destination = state.source.size < dest_size
   percent_recovered = state.get_percent_recovered()