From 496b5a092fc6fcdda51d783fa3c439f4dda41275 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <knolleary@users.noreply.github.com>
Date: Tue, 15 Dec 2020 17:20:22 +0000
Subject: [PATCH] Ensure subflow credential objects exist Fixes #2783

---
 packages/node_modules/@node-red/runtime/lib/flows/Subflow.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/node_modules/@node-red/runtime/lib/flows/Subflow.js b/packages/node_modules/@node-red/runtime/lib/flows/Subflow.js
index 78ec9ee75..d8514dac4 100644
--- a/packages/node_modules/@node-red/runtime/lib/flows/Subflow.js
+++ b/packages/node_modules/@node-red/runtime/lib/flows/Subflow.js
@@ -117,8 +117,8 @@ class Subflow extends Flow {
         this.node_map = node_map;
         this.path = parent.path+"/"+(subflowInstance._alias||subflowInstance.id);
 
-        this.templateCredentials = credentials.get(subflowDef.id);
-        this.instanceCredentials = credentials.get(this.id);
+        this.templateCredentials = credentials.get(subflowDef.id) || {};
+        this.instanceCredentials = credentials.get(this.id) || {};
 
         var env = [];
         if (this.subflowDef.env) {