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 c3136ef61..a7957874a 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
@@ -750,7 +750,7 @@
                                     var items = $('#node-inject-custom-list').editableList('items');
                                     var result = getProps(items);
                                     if (result && result.props && result.props.length) {
-                                        m = { __customProps: result.props };
+                                        m = { __user_inject_props__: result.props };
                                     }
                                     doInject(m);
                                     //RED.tray.close();
diff --git a/packages/node_modules/@node-red/nodes/core/common/20-inject.js b/packages/node_modules/@node-red/nodes/core/common/20-inject.js
index 732fbd856..26be74bfa 100644
--- a/packages/node_modules/@node-red/nodes/core/common/20-inject.js
+++ b/packages/node_modules/@node-red/nodes/core/common/20-inject.js
@@ -101,10 +101,10 @@ module.exports = function(RED) {
         this.on("input", function(msg, send, done) {
             var errors = [];
             var props = this.props;
-            if(msg.__customProps && Array.isArray(msg.__customProps)) {
-                props = msg.__customProps;
+            if(msg.__user_inject_props__ && Array.isArray(msg.__user_inject_props__)) {
+                props = msg.__user_inject_props__;
             }
-            delete msg.__customProps;
+            delete msg.__user_inject_props__;
             props.forEach(p => {
                 var property = p.p;
                 var value = p.v ? p.v : '';
@@ -160,7 +160,7 @@ module.exports = function(RED) {
         var node = RED.nodes.getNode(req.params.id);
         if (node != null) {
             try {
-                if (req.body && req.body.__customProps) {
+                if (req.body && req.body.__user_inject_props__) {
                     node.receive(req.body);
                 } else {
                     node.receive();