diff --git a/scripts/wk/clone/block_pair.py b/scripts/wk/clone/block_pair.py
index d9d5b2b5..ec0057dd 100644
--- a/scripts/wk/clone/block_pair.py
+++ b/scripts/wk/clone/block_pair.py
@@ -52,8 +52,8 @@ class BlockPair():
     self.view_proc: subprocess.Popen | None = None
 
     # Set map path
-    # e.g. '(Clone|Image)_Model[_p#]_Size[_Label].map'
-    map_name = source_dev.model
+    # e.g. '(Clone|Image)_Model_Serial[_p#]_Size[_Label].map'
+    map_name = f'{source_dev.model}_{source_dev.serial}'
     if source_dev.bus == 'Image':
       map_name = 'Image'
     if source_dev.parent: