diff --git a/bin/addons/base/publisher_warranty/publisher_warranty.py b/bin/addons/base/publisher_warranty/publisher_warranty.py
index 9f24e5922d7..74110c945e6 100644
--- a/bin/addons/base/publisher_warranty/publisher_warranty.py
+++ b/bin/addons/base/publisher_warranty/publisher_warranty.py
@@ -180,9 +180,8 @@ class publisher_warranty_contract(osv.osv):
                         context=context
                 )
         except:
-            _logger.debug("Exception while interpreting the result of a logs message", exc_info=1)
             if cron_mode:
-                return False # same as before
+                return False # we don't want to see any stack trace in cron
             else:
                 raise
         return True