diff --git a/src/frontend/src/features/rooms/components/Conference.tsx b/src/frontend/src/features/rooms/components/Conference.tsx
index 0c38ac51..a4ef949a 100644
--- a/src/frontend/src/features/rooms/components/Conference.tsx
+++ b/src/frontend/src/features/rooms/components/Conference.tsx
@@ -65,6 +65,9 @@ export const Conference = ({
 
   const roomOptions = useMemo((): RoomOptions => {
     return {
+      publishDefaults: {
+        videoCodec: 'vp9',
+      },
       videoCaptureDefaults: {
         deviceId: userConfig.videoDeviceId ?? undefined,
       },