diff --git a/.changeset/hot-kangaroos-teach.md b/.changeset/hot-kangaroos-teach.md
new file mode 100644
index 0000000000..13765d8951
--- /dev/null
+++ b/.changeset/hot-kangaroos-teach.md
@@ -0,0 +1,5 @@
+---
+"livekit-client": patch
+---
+
+Prevent backup codec publishing when e2ee is enabled
diff --git a/src/room/participant/LocalParticipant.ts b/src/room/participant/LocalParticipant.ts
index a8c7dedc16..c889189207 100644
--- a/src/room/participant/LocalParticipant.ts
+++ b/src/room/participant/LocalParticipant.ts
@@ -835,6 +835,11 @@ export default class LocalParticipant extends Participant {
     videoCodec: BackupVideoCodec,
     options?: TrackPublishOptions,
   ) {
+    // TODO remove once e2ee is supported for backup tracks
+    if (this.encryptionType !== Encryption_Type.NONE) {
+      return;
+    }
+
     // is it not published? if so skip
     let existingPublication: LocalTrackPublication | undefined;
     this.tracks.forEach((publication) => {