diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 6cd3dd7eb09..b59e58a8d81 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -382,7 +382,7 @@ class AccountMove(models.Model):
     def _auto_init(self):
         super(AccountMove, self)._auto_init()
         if sql.has_pg_trgm(self._cr):
-            sql.create_index(self._cr, 'account_move_name_gin_index', self._table, 'name gin_trgm_ops', 'gin')
+            sql.create_index(self._cr, 'account_move_name_gin_index', self._table, ['name gin_trgm_ops'], 'gin')
 
     @api.model
     def _field_will_change(self, record, vals, field_name):