diff --git a/erpnext/patches/p1.py b/erpnext/patches/p1.py
new file mode 100644
index 0000000..c6f16ef
--- /dev/null
+++ b/erpnext/patches/p1.py
@@ -0,0 +1,4 @@
+def execute():
+	import webnotes
+	if not webnotes.conn.sql("select name from tabDocFormat where parent = 'Receivable Voucher' and format != 'POS Invoice'"):
+		webnotes.conn.sql("update tabDocType set default_print_format = 'Standard' where name =  'Receivable Voucher' and default_print_format = ''")