diff --git a/src/dpp/voice/stub/stub.h b/src/dpp/voice/stub/stub.h
index 666d0d56b4..db6c21ebff 100644
--- a/src/dpp/voice/stub/stub.h
+++ b/src/dpp/voice/stub/stub.h
@@ -61,4 +61,5 @@ namespace dpp::dave {
 };
 namespace dpp {
 	struct dave_state {};
+	struct audio_mixer {};
 }
\ No newline at end of file