X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=dll%2Fwin32%2Fole32%2Fole2.c;h=a9a488594cc4c3dd251ad5a09a40c6ccbab5dfd5;hp=f570167bcf24fe34830e181bac2168dca98c7979;hb=e84aac6fb8e54423d617f3720d10365b319866ba;hpb=b06db1f05ed6a06cf407a19cd20ab2bac4d23ee6

diff --git a/dll/win32/ole32/ole2.c b/dll/win32/ole32/ole2.c
index f570167bcf2..a9a488594cc 100644
--- a/dll/win32/ole32/ole2.c
+++ b/dll/win32/ole32/ole2.c
@@ -409,6 +409,7 @@ HRESULT WINAPI RegisterDragDrop(HWND hwnd, LPDROPTARGET pDropTarget)
   HRESULT hr;
   IStream *stream;
   HANDLE map;
+  IUnknown *unk;
 
   TRACE("(%p,%p)\n", hwnd, pDropTarget);
 
@@ -449,7 +450,15 @@ HRESULT WINAPI RegisterDragDrop(HWND hwnd, LPDROPTARGET pDropTarget)
   hr = CreateStreamOnHGlobal(NULL, TRUE, &stream);
   if(FAILED(hr)) return hr;
 
-  hr = CoMarshalInterface(stream, &IID_IDropTarget, (IUnknown*)pDropTarget, MSHCTX_LOCAL, NULL, MSHLFLAGS_TABLESTRONG);
+  hr = IDropTarget_QueryInterface(pDropTarget, &IID_IUnknown, (void**)&unk);
+  if(FAILED(hr))
+  {
+      IStream_Release(stream);
+      return hr;
+  }
+  hr = CoMarshalInterface(stream, &IID_IDropTarget, unk, MSHCTX_LOCAL, NULL, MSHLFLAGS_TABLESTRONG);
+  IUnknown_Release(unk);
+
   if(SUCCEEDED(hr))
   {
     hr = create_map_from_stream(stream, &map);