diff --git a/combo/data/models.py b/combo/data/models.py
index fb728b26..e7bc03de 100644
--- a/combo/data/models.py
+++ b/combo/data/models.py
@@ -1852,7 +1852,10 @@ class JsonCellBase(CellBase):
                 url = utils.get_templated_url(data_url_dict['url'], context)
             except utils.TemplateError as e:
                 logger = logging.getLogger(__name__)
-                logger.warning('error in templated URL (%s): %s', data_url_dict['url'], e)
+                if log_errors:
+                    logger.error('error in templated URL (%s): %s', data_url_dict['url'], e)
+                else:
+                    logger.debug('error in templated URL (%s): %s', data_url_dict['url'], e)
                 continue
             extra_context[data_key + '_url'] = url
             if not url: