diff --git a/controllers/main.py b/controllers/main.py
index a6a1515365abdbfff70d21a0b917fc517106c6cf..7b88e92909ea5b72722690baa6c06304bc7497bb 100644
--- a/controllers/main.py
+++ b/controllers/main.py
@@ -229,7 +229,9 @@ class ExportJournalCg(http.Controller):
         else:
             inv_num = ""
         # Libellé
-        description = line.partner_id.name.upper()
+        description = ""
+        if line.partner_id:
+            description = line.partner_id.name.upper()
         if line.name:
             description += " - " + line.name.upper()