diff --git a/src/toUSVString-default.ts b/src/toUSVString-default.ts
index b093ca2..6e0742c 100644
--- a/src/toUSVString-default.ts
+++ b/src/toUSVString-default.ts
@@ -1,11 +1,12 @@
+import StringPrototypeToWellFormed from "./lib/StringPrototypeToWellFormed.js";
+
 let toUSVString: (s: string) => string;
 // @ts-ignore
 if (String.prototype.toWellFormed) {
   // @ts-ignore
   toUSVString = Object.call.bind(String.prototype.toWellFormed);
 } else {
-  toUSVString =
-    require("./lib/StringPrototypeToWellFormed.js") as typeof import("./lib/StringPrototypeToWellFormed.js");
+  toUSVString = StringPrototypeToWellFormed;
 }
 
 export = toUSVString;