diff --git a/lib/internal/url.js b/lib/internal/url.js
index 7c2637246e9b51..b65e2cb9b14e4c 100644
--- a/lib/internal/url.js
+++ b/lib/internal/url.js
@@ -1390,8 +1390,7 @@ function pathToFileURL(filepath) {
 }
 
 function isURLInstance(fileURLOrPath) {
-  return fileURLOrPath != null && fileURLOrPath[searchParams] &&
-    fileURLOrPath[searchParams][searchParams];
+  return fileURLOrPath != null && fileURLOrPath.href && fileURLOrPath.origin;
 }
 
 function toPathIfFileURL(fileURLOrPath) {