diff --git a/erpnext/public/js/utils/sales_common.js b/erpnext/public/js/utils/sales_common.js
index 7e2271dc38f..cd59fc5ff0f 100644
--- a/erpnext/public/js/utils/sales_common.js
+++ b/erpnext/public/js/utils/sales_common.js
@@ -488,7 +488,16 @@ erpnext.sales_common = {
 				}
 			}
 
-			project() {
+			project(doc, cdt, cdn) {
+				var item = frappe.get_doc(cdt, cdn);
+				if (item.project) {
+					$.each(this.frm.doc["items"] || [], function (i, other_item) {
+						if (!other_item.project) {
+							other_item.project = item.project;
+							refresh_field("project", other_item.name, other_item.parentfield);
+						}
+					});
+				}
 				let me = this;
 				if (["Delivery Note", "Sales Invoice", "Sales Order"].includes(this.frm.doc.doctype)) {
 					if (this.frm.doc.project) {