diff --git a/src/types.d.ts b/src/@types/modules.d.ts
similarity index 100%
rename from src/types.d.ts
rename to src/@types/modules.d.ts
diff --git a/src/room/PTTCallView.tsx b/src/room/PTTCallView.tsx
index 54ea6a7c..d9297135 100644
--- a/src/room/PTTCallView.tsx
+++ b/src/room/PTTCallView.tsx
@@ -17,6 +17,7 @@ limitations under the License.
 import React from "react";
 import useMeasure from "react-use-measure";
 import { ResizeObserver } from "@juggle/resize-observer";
+import { OtherUserSpeakingError } from "matrix-js-sdk/src/webrtc/groupCall";
 
 import { useModalTriggerState } from "../Modal";
 import { SettingsModal } from "../settings/SettingsModal";
@@ -33,7 +34,6 @@ import { Timer } from "./Timer";
 import { Toggle } from "../input/Toggle";
 import { getAvatarUrl } from "../matrix-utils";
 import { ReactComponent as AudioIcon } from "../icons/Audio.svg";
-import { OtherUserSpeakingError } from "matrix-js-sdk/src/webrtc/groupCall";
 
 export function PTTCallView({
   client,
diff --git a/src/room/usePTT.ts b/src/room/usePTT.ts
index 1c13d340..d33a38b5 100644
--- a/src/room/usePTT.ts
+++ b/src/room/usePTT.ts
@@ -27,6 +27,7 @@ export interface PTTState {
   activeSpeakerUserId: string;
   startTalking: () => void;
   stopTalking: () => void;
+  unmuteError: Error;
 }
 
 export const usePTT = (