diff --git a/Alc/winmm.c b/Alc/winmm.c
index 94c9b79..cd4b891 100644
--- a/Alc/winmm.c
+++ b/Alc/winmm.c
@@ -404,7 +404,7 @@ static void WinMMClosePlayback(ALCdevice *device)
     pData->hWaveThreadEvent = 0;
 
     waveOutClose(pData->hWaveHandle.Out);
-    pData->hWaveHandle.In = 0;
+    pData->hWaveHandle.Out = 0;
 
     free(pData);
     device->ExtraData = NULL;