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 92b8122df..734bce765 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
@@ -109,9 +109,10 @@ module.exports = function(RED) {
                 if (!property) return;
 
                 if (valueType === "jsonata") {
-                    if (p.exp) {
+                    if (p.v) {
                         try {
-                            var val = RED.util.evaluateJSONataExpression(p.exp, msg);
+                            var exp = RED.util.prepareJSONataExpression(p.v, node);
+                            var val = RED.util.evaluateJSONataExpression(exp, msg);
                             RED.util.setMessageProperty(msg, property, val, true);
                         }
                         catch  (err) {
diff --git a/test/nodes/core/common/20-inject_spec.js b/test/nodes/core/common/20-inject_spec.js
index cb14690d0..a4dbdd9e4 100644
--- a/test/nodes/core/common/20-inject_spec.js
+++ b/test/nodes/core/common/20-inject_spec.js
@@ -906,6 +906,7 @@ describe('inject node', function() {
                     msg.should.have.property("str1", "1"); //injected prop
                     msg.should.have.property("num1", 1); //injected prop
                     msg.should.have.property("bool1", true); //injected prop
+                    msg.should.have.property("jsonata1", "AB"); //injected prop
 
                     helper.clearFlows().then(function() {
                         done();
@@ -919,6 +920,7 @@ describe('inject node', function() {
                         {p:"str1", v:"1", vt:"str"}, //new prop
                         {p:"num1", v:"1", vt:"num"}, //new prop
                         {p:"bool1", v:"true", vt:"bool"}, //new prop
+                        {p:"jsonata1", v:'"A" & "B"', vt:"jsonata"}, //new prop
                     ]})
                     .expect(200).end(function(err) {
                         if (err) {