diff --git a/addons/account/partner.py b/addons/account/partner.py
index f60b37fe862..0afa7e719ee 100644
--- a/addons/account/partner.py
+++ b/addons/account/partner.py
@@ -278,8 +278,10 @@ class res_partner(osv.osv):
 
             # price_total is in the currency with rate = 1
             # total_invoice should be displayed in the current user's currency
-            cr.execute(query, where_clause_params + [user_currency_id])
-            result[partner_id] = cr.fetchone()[0]
+            # HACK: Avoid super expensive query taking 290s, see https://projects.sysmocom.de/issues/5379
+            #cr.execute(query, where_clause_params + [user_currency_id])
+            #result[partner_id] = cr.fetchone()[0]
+            result[partner_id] = 0
 
         return result