diff --git a/packages/node_modules/@node-red/nodes/core/network/21-httprequest.js b/packages/node_modules/@node-red/nodes/core/network/21-httprequest.js
index ad9739095..07610e099 100644
--- a/packages/node_modules/@node-red/nodes/core/network/21-httprequest.js
+++ b/packages/node_modules/@node-red/nodes/core/network/21-httprequest.js
@@ -132,7 +132,7 @@ in your Node-RED user directory (${RED.settings.userDir}).
             const matchingKeys = keys.filter(e => e.toLowerCase() == hn)
             const updateKey = (k,v) => {
                 delete headersObject[k]; //delete incase of case change
-                if(v) { headersObject[name] = v } //re-add with requested name & value
+                if(v || v === '') { headersObject[name] = v } //re-add with requested name & value
             }
             if(matchingKeys.length == 0) {
                 updateKey(name, value)