diff --git a/account_move_csv_import/wizard/import_move.py b/account_move_csv_import/wizard/import_move.py
index 2868f4b..5b179e2 100644
--- a/account_move_csv_import/wizard/import_move.py
+++ b/account_move_csv_import/wizard/import_move.py
@@ -393,7 +393,7 @@ def genericxlsx2pivot(self, fileobj):
                 'date': row[0].value,
                 'journal': row[1].value,
                 'account': str(row[2].value),
-                'partner': row[3].value or False,
+                'partner': row[3].value and str(row[3].value) or False,
                 'analytic': row[4].value or False,
                 'name': row[5].value,
                 'debit': row[6].value,