From 942b17b8071e315c2bbfc196e8b9b67aed5e14ce Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Mon, 3 Jan 2022 21:51:49 +0000
Subject: [PATCH] Fix incorrect clearing of blank payload property in Inject
 node Fixes #3316

---
 .../node_modules/@node-red/nodes/core/common/20-inject.html | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/node_modules/@node-red/nodes/core/common/20-inject.html b/packages/node_modules/@node-red/nodes/core/common/20-inject.html
index 2cbf274ce..a5dcb061a 100644
--- a/packages/node_modules/@node-red/nodes/core/common/20-inject.html
+++ b/packages/node_modules/@node-red/nodes/core/common/20-inject.html
@@ -690,9 +690,9 @@
             this.topic = "";
             var result = getProps(items, true);
             this.props = result.props;
-            if(result.payloadType) { this.payloadType = result.payloadType; };
-            if(result.payload) { this.payload = result.payload; };
-            if(result.topic) { this.topic = result.topic; };
+            if(result.hasOwnProperty('payloadType')) { this.payloadType = result.payloadType; };
+            if(result.hasOwnProperty('payload')) { this.payload = result.payload; };
+            if(result.hasOwnProperty('topic')) { this.topic = result.topic; };
         },
         button: {
             enabled: function() {