diff --git a/lib_afc_mosaic/universe_map_file.py b/lib_afc_mosaic/universe_map_file.py
index 31b08bd..598a9c7 100644
--- a/lib_afc_mosaic/universe_map_file.py
+++ b/lib_afc_mosaic/universe_map_file.py
@@ -381,7 +381,10 @@ class AFCMUniverseMapFile:
                                   amplify_key,
                                   mapping[amplify_key])
 
-            if new_row['UID'].strip() in [None, 'n/a', '']:
+            if new_row['UID'] is None:
+                new_row['UID'] = str(uuid.uuid4())
+
+            if new_row['UID'].strip() in ['n/a', '']:
                 new_row['UID'] = str(uuid.uuid4())
 
             new_row['Cell_Phone'] = formatted_number