--- wine-1.1.7/dlls/dsound/buffer.c.orig	2009-03-14 15:28:10.000000000 +0300
+++ wine-1.1.7/dlls/dsound/buffer.c	2009-04-23 19:50:42.000000000 +0400
@@ -82,8 +82,8 @@  static ULONG WINAPI IDirectSoundNotifyImpl_Release(
     TRACE("(%p) ref was %d\n", This, ref + 1);
 
     if (!ref) {
-        IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
         This->dsb->notify = NULL;
+        IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
         HeapFree(GetProcessHeap(), 0, This);
         TRACE("(%p) released\n", This);
     }