diff --git a/web/src/lib/queen-bee/run-worker.ts b/web/src/lib/queen-bee/run-worker.ts
index f6fc276b..7605d7ae 100644
--- a/web/src/lib/queen-bee/run-worker.ts
+++ b/web/src/lib/queen-bee/run-worker.ts
@@ -40,7 +40,11 @@ export const runRemuxWorker = async (workerId: string, parentId: string, file: F
         }
     });
 
-    worker.postMessage({ file });
+    worker.postMessage({
+        cobaltRemuxWorker: {
+            file
+        }
+    });
 
     worker.onerror = (e) => {
         console.error("remux worker exploded:", e);
diff --git a/web/src/lib/workers/remux.ts b/web/src/lib/workers/remux.ts
index a718c778..81a6dab8 100644
--- a/web/src/lib/workers/remux.ts
+++ b/web/src/lib/workers/remux.ts
@@ -97,7 +97,7 @@ const remux = async (file: File) => {
 self.onmessage = async (event: MessageEvent) => {
     console.log(event.data);
 
-    if (event.data.file) {
-        await remux(event.data.file);
+    if (event.data.cobaltRemuxWorker.file) {
+        await remux(event.data.cobaltRemuxWorker.file);
     }
 }