diff --git a/addok_usage_name_BAN_FR/utils.py b/addok_usage_name_BAN_FR/utils.py
index 46b5302..9ed9358 100644
--- a/addok_usage_name_BAN_FR/utils.py
+++ b/addok_usage_name_BAN_FR/utils.py
@@ -5,7 +5,7 @@
 # Adelans-et-le-Val-de-Bithaine -> Adelans-et-le-Val-de-Bithaine, adelans-et-le-val, adelans
 # Return full name first
 def subpart_generator(name):
-  if '-' not in name:
+  if not name or '-' not in name:
     return (name,)
 
   s = name.lower().replace('\'', ' ').split('-')