diff --git a/public/index/index.js b/public/index/index.js
index 09b0841..0c24bc2 100644
--- a/public/index/index.js
+++ b/public/index/index.js
@@ -3,7 +3,7 @@
 import { SUPPORTED_FILE_TYPES } from "./constants.js";
 import crel from "../common/crel.js";
 import * as base64url from "../common/base64url.js";
-import { routeFile } from "./fileRouter.js";
+import routeFile from "./routeFile.js";
 
 const accept = SUPPORTED_FILE_TYPES
   .flatMap((t) => [t.mimeType, ...t.extensions])
diff --git a/public/index/fileRouter.js b/public/index/routeFile.js
similarity index 97%
rename from public/index/fileRouter.js
rename to public/index/routeFile.js
index 4d175f1..9cd6e98 100644
--- a/public/index/fileRouter.js
+++ b/public/index/routeFile.js
@@ -10,7 +10,7 @@ import { SUPPORTED_FILE_TYPES } from "./constants.js";
  * @param {File} file
  * @returns {Promise<null | string>} The route for the file, or null if the file is not supported.
  */
-export const routeFile = async (file) => {
+export default async (file) => {
   const fileType = findFileTypeUsingMimeType(file.type) ??
     fineFileTypeUsingFileName(file.name) ??
     (await findFileTypeWithMimeSniffing(file));
diff --git a/test/index/fileRouter.test.ts b/test/index/routeFile.test.ts
similarity index 93%
rename from test/index/fileRouter.test.ts
rename to test/index/routeFile.test.ts
index eb9c919..de1612f 100644
--- a/test/index/fileRouter.test.ts
+++ b/test/index/routeFile.test.ts
@@ -1,5 +1,5 @@
 import { assertEquals } from "assert";
-import { routeFile } from "../../public/index/fileRouter.js";
+import routeFile from "../../public/index/routeFile.js";
 
 Deno.test("routes files correctly", async () => {
   const PNG_SIGNATURE = new Uint8Array([137, 80, 78, 71, 13, 10, 26, 10]);