diff --git a/erpnext/manufacturing/doctype/blanket_order/blanket_order.js b/erpnext/manufacturing/doctype/blanket_order/blanket_order.js
index 8f0a5e0133..b6ad27632e 100644
--- a/erpnext/manufacturing/doctype/blanket_order/blanket_order.js
+++ b/erpnext/manufacturing/doctype/blanket_order/blanket_order.js
@@ -53,6 +53,7 @@ frappe.ui.form.on('Blanket Order', {
 		if (frm.doc.blanket_order_type === 'Selling') {
 			frm.set_df_property("customer","reqd", 1)
 			frm.set_df_property("supplier","reqd", 0)
+			frm.set_value("supplier", "")
 
 			frm.set_query("tc_name", function() {
 				return { filters: { selling: 1 } };
@@ -61,6 +62,8 @@ frappe.ui.form.on('Blanket Order', {
 		if (frm.doc.blanket_order_type === 'Purchasing') {
 			frm.set_df_property("supplier","reqd", 1)			
 			frm.set_df_property("customer","reqd", 0)
+			frm.set_value("customer", "")
+
 
 			frm.set_query("tc_name", function() {
 				return { filters: { buying: 1 } };
diff --git a/erpnext/manufacturing/doctype/blanket_order/blanket_order.json b/erpnext/manufacturing/doctype/blanket_order/blanket_order.json
index 570d435c5f..260e0b8a73 100644
--- a/erpnext/manufacturing/doctype/blanket_order/blanket_order.json
+++ b/erpnext/manufacturing/doctype/blanket_order/blanket_order.json
@@ -88,7 +88,8 @@
    "fieldname": "company",
    "fieldtype": "Link",
    "label": "Company",
-   "options": "Company"
+   "options": "Company",
+   "reqd": 1
   },
   {
    "fieldname": "section_break_12",
@@ -128,7 +129,7 @@
   }
  ],
  "is_submittable": 1,
- "modified": "2019-06-19 11:59:09.279607",
+ "modified": "2019-10-16 13:38:32.302316",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Blanket Order",