diff --git a/src/portal/scripts/convert-yaml-to-json.js b/src/portal/scripts/convert-yaml-to-json.js
index 5683705ef..9f393f216 100644
--- a/src/portal/scripts/convert-yaml-to-json.js
+++ b/src/portal/scripts/convert-yaml-to-json.js
@@ -17,4 +17,8 @@ if (!fs.existsSync(outputDir)) {
     fs.mkdirSync(outputDir);
 }
 const swaggerObj = yaml.load(fs.readFileSync(inputFile, {encoding: 'utf-8'}));
+// host is not needed as UI uses relative path for back-end APIs
+if (swaggerObj.host) {
+    delete swaggerObj.host;
+}
 fs.writeFileSync(outputDir + '/swagger.json', JSON.stringify(swaggerObj, null, 2));