diff --git a/odoo/osv/expression.py b/odoo/osv/expression.py
index 80578027dfa..28f51a1a6eb 100644
--- a/odoo/osv/expression.py
+++ b/odoo/osv/expression.py
@@ -1105,7 +1105,7 @@ class expression(object):
                 # Non-stored field should provide an implementation of search.
                 if not field.search:
                     # field does not support search!
-                    _logger.error("Non-stored field %s cannot be searched.", field)
+                    _logger.error("Non-stored field %s cannot be searched.", field, exc_info=True)
                     if _logger.isEnabledFor(logging.DEBUG):
                         _logger.debug(''.join(traceback.format_stack()))
                     # Ignore it: generate a dummy leaf.