diff --git a/libs/backends/wavesaudio/wavesapi/devicemanager/WCMRAudioDeviceManager.h b/libs/backends/wavesaudio/wavesapi/devicemanager/WCMRAudioDeviceManager.h
index 9d7800970f..6821f25f58 100644
--- a/libs/backends/wavesaudio/wavesapi/devicemanager/WCMRAudioDeviceManager.h
+++ b/libs/backends/wavesaudio/wavesapi/devicemanager/WCMRAudioDeviceManager.h
@@ -127,7 +127,7 @@ class WCMRAudioDeviceManagerClient
         float *acdOutputBuffer;
         size_t acdFrames;
         int64_t acdSampleTime;
-        int64_t acdCycleStartTimeNanos;
+        uint64_t acdCycleStartTimeNanos;
     };
 
 	virtual void AudioDeviceManagerNotification (NotificationReason WCUNUSEDPARAM(reason), void *WCUNUSEDPARAM(pParam)) {}