diff --git a/.changeset/real-squids-enjoy.md b/.changeset/real-squids-enjoy.md
new file mode 100644
index 0000000000..131d296156
--- /dev/null
+++ b/.changeset/real-squids-enjoy.md
@@ -0,0 +1,5 @@
+---
+"livekit-client": patch
+---
+
+Make sure no backup codecs are published when e2ee is enabled
diff --git a/src/room/participant/LocalParticipant.ts b/src/room/participant/LocalParticipant.ts
index 3ede1a594e..a8c7dedc16 100644
--- a/src/room/participant/LocalParticipant.ts
+++ b/src/room/participant/LocalParticipant.ts
@@ -693,7 +693,12 @@ export default class LocalParticipant extends Participant {
         if (opts.backupCodec === true) {
           opts.backupCodec = { codec: defaultVideoCodec };
         }
-        if (opts.backupCodec && videoCodec !== opts.backupCodec.codec) {
+        if (
+          opts.backupCodec &&
+          videoCodec !== opts.backupCodec.codec &&
+          // TODO remove this once e2ee is supported for backup codecs
+          req.encryption === Encryption_Type.NONE
+        ) {
           // multi-codec simulcast requires dynacast
           if (!this.roomOptions.dynacast) {
             this.roomOptions.dynacast = true;