diff --git a/index.js b/index.js
index 8c214231..52b3cd4a 100755
--- a/index.js
+++ b/index.js
@@ -11,18 +11,18 @@ const config = yargs
     default: true,
     type: 'boolean'
   })
-  .options('host', {
-    describe: 'hostname to listen on',
+  .options('web-host', {
+    describe: 'hostname for web app to listen on',
     default: 'localhost',
     type: 'string'
   })
-  .options('port', {
-    describe: 'port to listen on',
+  .options('web-port', {
+    describe: 'port for web app to listen on',
     default: 3000,
     type: 'number'
   })
   .options('debug', {
-    describe: 'console debug output',
+    describe: 'verbose output for debugging',
     default: false,
     type: 'boolean'
   })
diff --git a/src/app.js b/src/app.js
index 7cf3d0a2..bcc86f15 100644
--- a/src/app.js
+++ b/src/app.js
@@ -42,11 +42,14 @@ module.exports = (config) => {
 
   app.use(router.routes())
 
-  const uri = `http://${config.host}:${config.port}/`
-  app.listen(config.port)
+  const host = config['web-host']
+  const port = config['web-port']
+  const uri = `http://${host}:${port}/`
 
   debug.enabled = true
-  debug(`Listening on http://${uri}`)
+  debug(`Listening on ${uri}`)
+
+  app.listen({ host, port })
 
   if (config.open === true) {
     open(uri)