diff --git a/src/livekit/useLiveKit.ts b/src/livekit/useLiveKit.ts
index dac6a052..adb5c72c 100644
--- a/src/livekit/useLiveKit.ts
+++ b/src/livekit/useLiveKit.ts
@@ -11,7 +11,7 @@ export type UserChoices = {
 };
 
 export type DeviceChoices = {
-  selectedId: string;
+  selectedId?: string;
   enabled: boolean;
 };
 
diff --git a/src/room/InCallView.tsx b/src/room/InCallView.tsx
index c45edbc2..866c75af 100644
--- a/src/room/InCallView.tsx
+++ b/src/room/InCallView.tsx
@@ -97,7 +97,20 @@ export interface ActiveCallProps extends Omit<InCallViewProps, "livekitRoom"> {
 
 export function ActiveCall(props: ActiveCallProps) {
   const sfuConfig = useSFUConfig();
-  const livekitRoom = useLiveKit(props.userChoices, sfuConfig);
+  const livekitRoom = useLiveKit(
+    {
+      audio: {
+        selectedId: props.userChoices.audio?.selectedId,
+        enabled:
+          (props.userChoices.audio?.enabled ?? false) &&
+          // Automatically mute the user, if there is more than 8 participants
+          // in the call
+          props.groupCall.participants.size <= 8,
+      },
+      video: props.userChoices.video,
+    },
+    sfuConfig
+  );
 
   if (!livekitRoom) {
     return null;