diff --git a/addons/crm/wizard/base_partner_merge.py b/addons/crm/wizard/base_partner_merge.py
index 27f3f3e002d..b8b46f2a7dc 100644
--- a/addons/crm/wizard/base_partner_merge.py
+++ b/addons/crm/wizard/base_partner_merge.py
@@ -199,7 +199,7 @@ class MergePartnerAutomatic(models.TransientModel):
                 except psycopg2.Error:
                     # updating fails, most likely due to a violated unique constraint
                     # keeping record with nonexistent partner_id is useless, better delete it
-                    query = 'DELETE FROM %(table)s WHERE %(column)s IN %%s' % query_dic
+                    query = 'DELETE FROM "%(table)s" WHERE "%(column)s" IN %%s' % query_dic
                     self._cr.execute(query, (tuple(src_partners.ids),))
 
     @api.model