diff --git a/modules/audio_output/wasapi.c b/modules/audio_output/wasapi.c
index 9f4c9bc10d..aa57f9f801 100644
--- a/modules/audio_output/wasapi.c
+++ b/modules/audio_output/wasapi.c
@@ -895,8 +895,10 @@ static HRESULT Start(aout_stream_t *s, audio_sample_format_t *restrict pfmt,
         msg_Dbg(s, "audio device configured as s24");
 
     hr = IAudioClient_Initialize(sys->client, shared_mode,
-                                 AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
-                                 buffer_duration, 0, pwf, sid);
+                               AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
+                               buffer_duration,
+                               shared_mode == AUDCLNT_SHAREMODE_EXCLUSIVE ? buffer_duration : 0,
+                               pwf, sid);
     CoTaskMemFree(pwf_closest);
     if (FAILED(hr))
     {