diff --git a/src/js/thirdparty/node-fetch.ts b/src/js/thirdparty/node-fetch.ts
index d2b5831690..d0676ee418 100644
--- a/src/js/thirdparty/node-fetch.ts
+++ b/src/js/thirdparty/node-fetch.ts
@@ -126,7 +126,7 @@ var ResponsePrototype = Response.prototype;
 const kUrl = Symbol("kUrl");
 
 class Request extends WebRequest {
-  [kUrl]: string;
+  [kUrl]?: string;
 
   constructor(input, init) {
     // node-fetch is relaxed with the URL, for example, it allows "/" as a valid URL.
@@ -137,12 +137,11 @@ class Request extends WebRequest {
       this[kUrl] = input;
     } else {
       super(input, init);
-      this[kUrl] = input.url;
     }
   }
 
   get url() {
-    return this[kUrl];
+    return this[kUrl] ?? super.url;
   }
 }
 
diff --git a/test/regression/issue/014865.test.ts b/test/regression/issue/014865.test.ts
new file mode 100644
index 0000000000..37e6b1bfbb
--- /dev/null
+++ b/test/regression/issue/014865.test.ts
@@ -0,0 +1,8 @@
+import { test, expect } from "bun:test";
+import { Request } from "node-fetch";
+
+test("node fetch Request URL field is set even with a valid URL", () => {
+  expect(new Request("/").url).toBe("/");
+  expect(new Request("https://bun.sh/").url).toBe("https://bun.sh/");
+  expect(new Request(new URL("https://bun.sh/")).url).toBe("https://bun.sh/");
+});