diff --git a/src/index.js b/src/index.js
index d2bee60..5f3cc7d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -7,7 +7,7 @@ import { AssetEditor } from "./asset_editor.js";
 import { AssetProvider } from "./asset_provider.js";
 import { Gamelib } from "./gamelib.js";
 import { CodeStopper } from "./code_stopper.js";
-import { Vermiparous } from "./vermiparous.js";
+import { KarlkoderCodec } from "./karlkoder_codec.js";
 import { promptUpload } from "./prompt_upload.js";
 import { GamelibCompleter } from "./gamelib_completer.js";
 import { TextCompleter } from "./text_completer.js";
@@ -89,7 +89,7 @@ loadButton.onclick = async () => {
             `unreachable: something went wrong ! files.length > 1 : files.length = ${files.length}`,
         );
     }
-    const items = Vermiparous.de(await fetch(URL.createObjectURL(files[0])).then((x) => x.bytes()));
+    const items = KarlkoderCodec.de(await fetch(URL.createObjectURL(files[0])).then((x) => x.bytes()));
     const assets = items
         .filter((x) => x.tag === "asset")
         .map((x) => {
@@ -132,7 +132,7 @@ exportButton.onclick = async () => {
 function saveKarlKoder() {
     downloadFile(
         slugify(projectName.value) || "project",
-        Vermiparous.en(
+        KarlkoderCodec.en(
             projectName.value,
             editor.getValue(),
             assetEditor.assets,
diff --git a/src/vermiparous.js b/src/karlkoder_codec.js
similarity index 99%
rename from src/vermiparous.js
rename to src/karlkoder_codec.js
index 0913116..14a4b6d 100644
--- a/src/vermiparous.js
+++ b/src/karlkoder_codec.js
@@ -12,7 +12,7 @@ function strToBytes(str) {
     return str.split("").map((x) => x.charCodeAt(0));
 }
 
-export class Vermiparous {
+export class KarlkoderCodec {
     static en(name, code, assets) {
         const ret = [];
         for (const asset of assets) {