diff --git a/dlls/xaudio2_7/xaudio_dll.c b/dlls/xaudio2_7/xaudio_dll.c
index 12383896b42..e5a83ebdbf8 100644
--- a/dlls/xaudio2_7/xaudio_dll.c
+++ b/dlls/xaudio2_7/xaudio_dll.c
@@ -1291,7 +1291,7 @@ static void WINAPI XA2M_GetChannelMask(IXAudio2MasteringVoice *iface,
 
     TRACE("%p, %p\n", This, pChannelMask);
 
-    FAudioMasteringVoice_GetChannelMask(This->faudio_voice, pChannelMask);
+    FAudioMasteringVoice_GetChannelMask(This->faudio_voice, (uint32_t *)pChannelMask);
 }
 
 static const struct IXAudio2MasteringVoiceVtbl XAudio2MasteringVoice_Vtbl = {