From 7651941722b8a736aa1176ff973e5fdb38b251f4 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Tue, 8 Jun 2021 11:35:10 +0100
Subject: [PATCH] Do not assign z property to tab node when updating flow Fixes
 #3010

---
 packages/node_modules/@node-red/runtime/lib/flows/index.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/node_modules/@node-red/runtime/lib/flows/index.js b/packages/node_modules/@node-red/runtime/lib/flows/index.js
index fbf339d03..92c3e5b1e 100644
--- a/packages/node_modules/@node-red/runtime/lib/flows/index.js
+++ b/packages/node_modules/@node-red/runtime/lib/flows/index.js
@@ -697,7 +697,9 @@ async function updateFlow(id,newFlow, user) {
 
         nodes = [tabNode].concat(newFlow.nodes||[]).concat(newFlow.configs||[]);
         nodes.forEach(function(n) {
-            n.z = id;
+            if (n.type !== 'tab') {
+                n.z = id;
+            }
         });
     }