diff --git a/frappe/model/base_document.py b/frappe/model/base_document.py
index 0a33cbd0bb..a8125e213d 100644
--- a/frappe/model/base_document.py
+++ b/frappe/model/base_document.py
@@ -794,6 +794,9 @@ def _filter(data, filters, limit=None):
 
 	out, _filters = [], {}
 
+	if not data:
+		return out
+
 	# setup filters as tuples
 	if filters:
 		for f in filters: