diff --git a/frappe/desk/query_report.py b/frappe/desk/query_report.py
index 9ce15ef361..eda61c6985 100644
--- a/frappe/desk/query_report.py
+++ b/frappe/desk/query_report.py
@@ -167,7 +167,7 @@ def run(report_name, filters=None, user=None, ignore_prepared_report=False, cust
 
 	result = None
 
-	if report.prepared_report and not report.disable_prepared_report and not ignore_prepared_report:
+	if report.prepared_report and not report.disable_prepared_report and not ignore_prepared_report and not custom_columns:
 		if filters:
 			if isinstance(filters, string_types):
 				filters = json.loads(filters)