diff --git a/src/collections/voiceover/VoiceSubmissions.ts b/src/collections/voiceover/VoiceSubmissions.ts
index 35d69ca..45a8803 100644
--- a/src/collections/voiceover/VoiceSubmissions.ts
+++ b/src/collections/voiceover/VoiceSubmissions.ts
@@ -71,16 +71,11 @@ export const VoiceSubmissions: CollectionConfig = {
       },
     },
   ],
-  upload: {
-    mimeTypes: [
-      "audio/webm",
-      "audio/mpeg",
-      "audio/wav",
-      "audio/ogg",
-      "audio/mp4",
-      "audio/x-m4a",
-      "audio/m4a",
-    ],
-  },
+  // No `upload.mimeTypes` allowlist on purpose: Payload content-sniffs uploads
+  // (file-type) and reports WebM recordings as `video/webm`, so an audio/* MIME
+  // allowlist rejects browser-recorded takes. The submit action is the gate
+  // instead (audio/* base type + size cap); restricted file types (executables,
+  // scripts, …) stay blocked by Payload's built-in checks.
+  upload: true,
   timestamps: true,
 };
diff --git a/tests/int/voiceover-config.int.spec.ts b/tests/int/voiceover-config.int.spec.ts
new file mode 100644
index 0000000..0566b00
--- /dev/null
+++ b/tests/int/voiceover-config.int.spec.ts
@@ -0,0 +1,13 @@
+import { describe, expect, it } from "vitest";
+
+import { VoiceSubmissions } from "@/collections/voiceover/VoiceSubmissions";
+
+describe("VoiceSubmissions upload config", () => {
+  // Regression guard: Payload content-sniffs uploads (file-type) and reports
+  // browser-recorded WebM takes as `video/webm`, so a MIME allowlist rejects
+  // every in-browser recording. The collection must accept any audio format;
+  // the submit server action is the audio/* gate instead.
+  it("accepts any standard audio format (no MIME allowlist)", () => {
+    expect(VoiceSubmissions.upload).toBe(true);
+  });
+});