diff --git a/src/audio_core/adsp/apps/opus/opus_decoder.h b/src/audio_core/adsp/apps/opus/opus_decoder.h
index cfe4cbdee9..dd87b473d1 100644
--- a/src/audio_core/adsp/apps/opus/opus_decoder.h
+++ b/src/audio_core/adsp/apps/opus/opus_decoder.h
@@ -56,7 +56,7 @@ public:
     ~OpusDecoder();
 
     bool IsRunning() const noexcept {
-        return running;
+        return dsp_thread.joinable();
     }
 
     void Send(Direction dir, u32 message);