diff --git a/packages/node_modules/@node-red/nodes/core/network/21-httpin.js b/packages/node_modules/@node-red/nodes/core/network/21-httpin.js
index 604df653f..22e83b411 100644
--- a/packages/node_modules/@node-red/nodes/core/network/21-httpin.js
+++ b/packages/node_modules/@node-red/nodes/core/network/21-httpin.js
@@ -46,7 +46,7 @@ module.exports = function(RED) {
                     isText = true;
                 } else if (parsedType.type !== "application") {
                     isText = false;
-                } else if ((parsedType.subtype !== "octet-stream") 
+                } else if ((parsedType.subtype !== "octet-stream")
                     && (parsedType.subtype !== "cbor")
                     && (parsedType.subtype !== "x-protobuf")) {
                     checkUTF = true;
@@ -200,6 +200,15 @@ module.exports = function(RED) {
             this.callback = function(req,res) {
                 var msgid = RED.util.generateId();
                 res._msgid = msgid;
+                // Since Node 15, req.headers are lazily computed and the property
+                // marked as non-enumerable.
+                // That means it doesn't show up in the Debug sidebar.
+                // This redefines the property causing it to be evaluated *and*
+                // marked as enumerable again.
+                Object.defineProperty(req, 'headers', {
+                    value: req.headers,
+                    enumerable: true
+                })
                 if (node.method.match(/^(post|delete|put|options|patch)$/)) {
                     node.send({_msgid:msgid,req:req,res:createResponseWrapper(node,res),payload:req.body});
                 } else if (node.method == "get") {