From 1133f40dd24a2cab3b73737a9d2953639cf71596 Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <37929162+mergify[bot]@users.noreply.github.com>
Date: Sun, 7 Feb 2021 12:49:43 +0530
Subject: [PATCH] fix: Don't overwrite source_name if source_name is defined
 (bp #12280) (#12341)

Co-authored-by: Richard Case <64409021+casesolved-co-uk@users.noreply.github.com>
Co-authored-by: Suraj Shetty <13928957+surajshetty3416@users.noreply.github.com>
---
 frappe/public/js/frappe/model/create_new.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/frappe/public/js/frappe/model/create_new.js b/frappe/public/js/frappe/model/create_new.js
index 396d6f59b3..dc6ee56fca 100644
--- a/frappe/public/js/frappe/model/create_new.js
+++ b/frappe/public/js/frappe/model/create_new.js
@@ -362,9 +362,7 @@ $.extend(frappe.model, {
 			);
 		} else if (!opts.source_name && opts.frm) {
 			opts.source_name = opts.frm.doc.name;
-
-			// Allow opening a mapped doc without a source document name
-		} else if (!opts.frm) {
+		} else if (!opts.frm && !opts.source_name) {
 			opts.source_name = null;
 		}