diff --git a/erpnext/stock/doctype/material_request/material_request.js b/erpnext/stock/doctype/material_request/material_request.js
index 8c47098..14f0aa5 100644
--- a/erpnext/stock/doctype/material_request/material_request.js
+++ b/erpnext/stock/doctype/material_request/material_request.js
@@ -173,7 +173,8 @@
 			source_doctype: "Sales Order",
 			target: frm,
 			setters: {
-				customer: frm.doc.customer || undefined
+				customer: frm.doc.customer || undefined,
+				delivery_date: undefined,
 			},
 			get_query_filters: {
 				docstatus: 1,