diff --git a/src/lib/cli.js b/src/lib/cli.js
index 76503f09a..b25e23431 100644
--- a/src/lib/cli.js
+++ b/src/lib/cli.js
@@ -172,6 +172,10 @@ function afterConfigLoad() {
       webServer = http.createServer(app);
     }
 
+    if (addr.path) {
+      fs.unlinkSync(addr.path);
+    }
+
     webServer
       .listen(addr.port || addr.path, addr.host)
       .on('error', function(err) {