diff --git a/lib/URL-impl.js b/lib/URL-impl.js
index 37efd70..de32d05 100644
--- a/lib/URL-impl.js
+++ b/lib/URL-impl.js
@@ -174,6 +174,7 @@ exports.implementation = class URLImpl {
 
     if (v === "") {
       url.query = null;
+      return;
     }
 
     const input = v[0] === "?" ? v.substring(1) : v;