diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index 08350afa72..d445582f72 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -572,7 +572,7 @@ def find_variant(item, args):
 
 			for attribute, value in args.items():
 				for row in variant.attributes:
-					if row.attribute==attribute and row.attribute_value==value:
+					if row.attribute==attribute and row.attribute_value== cstr(value):
 						# this row matches
 						match_count += 1
 						break