diff --git a/reactos/dll/win32/avifil32/acmstream.c b/reactos/dll/win32/avifil32/acmstream.c
index e77b4f98fa0..d7719ceb465 100644
--- a/reactos/dll/win32/avifil32/acmstream.c
+++ b/reactos/dll/win32/avifil32/acmstream.c
@@ -127,7 +127,7 @@ static HRESULT WINAPI ACMStream_fnQueryInterface(IAVIStream *iface,
 
   if (IsEqualGUID(&IID_IUnknown, refiid) ||
       IsEqualGUID(&IID_IAVIStream, refiid)) {
-    *obj = This;
+    *obj = &This->IAVIStream_iface;
     IAVIStream_AddRef(iface);
 
     return S_OK;
diff --git a/reactos/dll/win32/avifil32/icmstream.c b/reactos/dll/win32/avifil32/icmstream.c
index 94df1d9116f..8f017904829 100644
--- a/reactos/dll/win32/avifil32/icmstream.c
+++ b/reactos/dll/win32/avifil32/icmstream.c
@@ -82,7 +82,7 @@ static HRESULT WINAPI ICMStream_fnQueryInterface(IAVIStream *iface,
 
   if (IsEqualGUID(&IID_IUnknown, refiid) ||
       IsEqualGUID(&IID_IAVIStream, refiid)) {
-    *obj = This;
+    *obj = &This->IAVIStream_iface;
     IAVIStream_AddRef(iface);
 
     return S_OK;
diff --git a/reactos/media/doc/README.WINE b/reactos/media/doc/README.WINE
index 66ffdbaf898..cc5fb0d5ab0 100644
--- a/reactos/media/doc/README.WINE
+++ b/reactos/media/doc/README.WINE
@@ -49,7 +49,7 @@ reactos/dll/win32/advpack             # Synced to WineStaging-1.7.37
 reactos/dll/win32/atl                 # Synced to WineStaging-1.7.47
 reactos/dll/win32/atl80               # Synced to WineStaging-1.7.47
 reactos/dll/win32/atl100              # Synced to WineStaging-1.7.47
-reactos/dll/win32/avifil32            # Synced to WineStaging-1.7.37
+reactos/dll/win32/avifil32            # Synced to WineStaging-1.7.47
 reactos/dll/win32/bcrypt              # Synced to WineStaging-1.7.37
 reactos/dll/win32/browseui            # Out of sync
 reactos/dll/win32/cabinet             # Synced to WineStaging-1.7.37