diff --git a/Source/Core/AudioCommon/AlsaSoundStream.h b/Source/Core/AudioCommon/AlsaSoundStream.h
index 53053debeb..721fbbd43b 100644
--- a/Source/Core/AudioCommon/AlsaSoundStream.h
+++ b/Source/Core/AudioCommon/AlsaSoundStream.h
@@ -60,6 +60,6 @@ private:
 	std::mutex cv_m;
 
 	snd_pcm_t *handle;
-	int frames_to_deliver;
+	unsigned int frames_to_deliver;
 #endif
 };