diff --git a/dlls/amstream/amstream.c b/dlls/amstream/amstream.c
index 2ce5225424d..11ee07a842a 100644
--- a/dlls/amstream/amstream.c
+++ b/dlls/amstream/amstream.c
@@ -36,7 +36,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(amstream);
 
 typedef struct {
     IAMMultiMediaStream lpVtbl;
-    ULONG ref;
+    LONG ref;
 } IAMMultiMediaStreamImpl;
 
 static const struct IAMMultiMediaStreamVtbl AM_Vtbl;
diff --git a/dlls/amstream/main.c b/dlls/amstream/main.c
index 161de18f806..270002037dc 100644
--- a/dlls/amstream/main.c
+++ b/dlls/amstream/main.c
@@ -64,7 +64,7 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 typedef struct {
     IClassFactory ITF_IClassFactory;
 
-    DWORD ref;
+    LONG ref;
     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
 } IClassFactoryImpl;
 
diff --git a/dlls/atl/registrar.c b/dlls/atl/registrar.c
index b7f66091459..ed4ea7ec14e 100644
--- a/dlls/atl/registrar.c
+++ b/dlls/atl/registrar.c
@@ -37,7 +37,7 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(atl);
 
-ULONG dll_count = 0;
+LONG dll_count = 0;
 
 /**************************************************************
  * ATLRegistrar implementation
@@ -79,7 +79,7 @@ typedef struct rep_list_str {
 
 typedef struct {
     const IRegistrarVtbl *lpVtbl;
-    ULONG ref;
+    LONG ref;
     rep_list *rep;
 } Registrar;
 
diff --git a/dlls/comcat/comcat_main.c b/dlls/comcat/comcat_main.c
index 33af933f37e..6c892357f0e 100644
--- a/dlls/comcat/comcat_main.c
+++ b/dlls/comcat/comcat_main.c
@@ -24,7 +24,7 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(ole);
 
-DWORD dll_ref = 0;
+LONG dll_ref = 0;
 
 /***********************************************************************
  *		Global string constant definitions
diff --git a/dlls/comcat/comcat_private.h b/dlls/comcat/comcat_private.h
index 870d1d394ff..ee620ef6d53 100644
--- a/dlls/comcat/comcat_private.h
+++ b/dlls/comcat/comcat_private.h
@@ -38,7 +38,7 @@
 /**********************************************************************
  * Dll lifetime tracking declaration for comcat.dll
  */
-extern DWORD dll_ref;
+extern LONG dll_ref;
 
 /**********************************************************************
  * ClassFactory declaration for comcat.dll
@@ -47,7 +47,7 @@ typedef struct
 {
     /* IUnknown fields */
     const IClassFactoryVtbl *lpVtbl;
-    DWORD ref;
+    LONG ref;
 } ClassFactoryImpl;
 
 extern ClassFactoryImpl COMCAT_ClassFactory;
@@ -61,7 +61,7 @@ typedef struct
     const IUnknownVtbl *unkVtbl;
     const ICatRegisterVtbl *regVtbl;
     const ICatInformationVtbl *infVtbl;
-    DWORD ref;
+    LONG ref;
 } ComCatMgrImpl;
 
 extern const ComCatMgrImpl COMCAT_ComCatMgr;
diff --git a/dlls/comcat/information.c b/dlls/comcat/information.c
index e4a7f86a264..782fe5116a0 100644
--- a/dlls/comcat/information.c
+++ b/dlls/comcat/information.c
@@ -298,7 +298,7 @@ const ICatInformationVtbl COMCAT_ICatInformation_Vtbl =
 typedef struct
 {
     const IEnumCATEGORYINFOVtbl *lpVtbl;
-    DWORD ref;
+    LONG  ref;
     LCID  lcid;
     HKEY  key;
     DWORD next_index;
@@ -602,7 +602,7 @@ static HRESULT COMCAT_IsClassOfCategories(
 typedef struct
 {
     const IEnumGUIDVtbl *lpVtbl;
-    DWORD ref;
+    LONG  ref;
     const struct class_categories *categories;
     HKEY  key;
     DWORD next_index;
@@ -795,7 +795,7 @@ static LPENUMGUID COMCAT_CLSID_IEnumGUID_Construct(
 typedef struct
 {
     const IEnumGUIDVtbl *lpVtbl;
-    DWORD ref;
+    LONG  ref;
     WCHAR keyname[68];
     HKEY  key;
     DWORD next_index;
diff --git a/dlls/d3d8/d3d8_private.h b/dlls/d3d8/d3d8_private.h
index c1ec0bb097f..f0f43af02c4 100644
--- a/dlls/d3d8/d3d8_private.h
+++ b/dlls/d3d8/d3d8_private.h
@@ -342,7 +342,7 @@ struct IDirect3D8Impl
 {
     /* IUnknown fields */
     const IDirect3D8Vtbl   *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* The WineD3D device */
     IWineD3D               *WineD3D;
@@ -395,7 +395,7 @@ struct IDirect3DDevice8Impl
 {
     /* IUnknown fields */
     const IDirect3DDevice8Vtbl   *lpVtbl;
-    DWORD                         ref;
+    LONG                         ref;
 
     /* IDirect3DDevice8 fields */
     IDirect3D8Impl               *direct3d8;
@@ -590,7 +590,7 @@ struct IDirect3DVolume8Impl
 {
     /* IUnknown fields */
     const IDirect3DVolume8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DVolume8 fields */
     IDirect3DDevice8Impl   *Device;
@@ -644,7 +644,7 @@ struct IDirect3DSwapChain8Impl
 {
     /* IUnknown fields */
     const IDirect3DSwapChain8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DSwapChain8 fields */
     IDirect3DSurface8Impl  *frontBuffer;
@@ -686,7 +686,7 @@ struct IDirect3DSurface8Impl
 {
     /* IUnknown fields */
     const IDirect3DSurface8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DSurface8 fields */
     IDirect3DDevice8Impl   *Device;
@@ -746,7 +746,7 @@ struct IDirect3DResource8Impl
 {
     /* IUnknown fields */
     const IDirect3DResource8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DResource8 fields */
     IDirect3DDevice8Impl   *Device;
@@ -788,7 +788,7 @@ struct IDirect3DVertexBuffer8Impl
 {
     /* IUnknown fields */
     const IDirect3DVertexBuffer8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DResource8 fields */
     IDirect3DDevice8Impl   *Device;
@@ -836,7 +836,7 @@ struct IDirect3DIndexBuffer8Impl
 {
     /* IUnknown fields */
     const IDirect3DIndexBuffer8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DResource8 fields */
     IDirect3DDevice8Impl   *Device;
@@ -879,7 +879,7 @@ struct IDirect3DBaseTexture8Impl
 {
     /* IUnknown fields */
     const IDirect3DBaseTexture8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DResource8 fields */
     IDirect3DDevice8Impl   *Device;
@@ -936,7 +936,7 @@ struct IDirect3DCubeTexture8Impl
 {
     /* IUnknown fields */
     const IDirect3DCubeTexture8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DResource8 fields */
     IDirect3DDevice8Impl   *Device;
@@ -998,7 +998,7 @@ struct IDirect3DTexture8Impl
 {
     /* IUnknown fields */
     const IDirect3DTexture8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DResourc8 fields */
     IDirect3DDevice8Impl   *Device;
@@ -1061,7 +1061,7 @@ struct IDirect3DVolumeTexture8Impl
 {
     /* IUnknown fields */
     const IDirect3DVolumeTexture8Vtbl *lpVtbl;
-    DWORD                   ref;
+    LONG                   ref;
 
     /* IDirect3DResource8 fields */
     IDirect3DDevice8Impl   *Device;
@@ -1149,7 +1149,7 @@ typedef struct SAVEDSTATES {
 struct  IDirect3DStateBlockImpl {
   /* IUnknown fields */
   /*const IDirect3DStateBlock9Vtbl *lpVtbl;*/
-  DWORD  ref;
+  LONG  ref;
 
   /* The device, to be replaced by an IDirect3DDeviceImpl */
   IDirect3DDevice8Impl* device;
@@ -1238,7 +1238,7 @@ extern HRESULT WINAPI IDirect3DDeviceImpl_CaptureStateBlock(IDirect3DDevice8Impl
 struct IDirect3DVertexShaderDeclarationImpl {
   /* IUnknown fields */
   /*const IDirect3DVertexShaderDeclaration9Vtbl *lpVtbl;*/
-  DWORD  ref;
+  LONG  ref;
 
   /* The device, to be replaced by an IDirect3DDeviceImpl */
   IDirect3DDevice8Impl* device;
@@ -1274,7 +1274,7 @@ extern HRESULT WINAPI IDirect3DDeviceImpl_CreateVertexShaderDeclaration8(IDirect
  */
 struct IDirect3DVertexShaderImpl {
   /*const IDirect3DVertexShader9Vtbl *lpVtbl;*/
-  DWORD ref;
+  LONG ref;
 
   /* The device, to be replaced by an IDirect3DDeviceImpl */
   IDirect3DDevice8Impl* device;
@@ -1323,7 +1323,7 @@ extern HRESULT WINAPI IDirect3DDeviceImpl_FillVertexShaderInputArbHW(IDirect3DDe
  */
 struct IDirect3DPixelShaderImpl { 
   /*const IDirect3DPixelShader9Vtbl *lpVtbl;*/
-  DWORD ref;
+  LONG ref;
 
   /* The device, to be replaced by an IDirect3DDeviceImpl */
   IDirect3DDevice8Impl* device;
diff --git a/dlls/d3dx8/d3dx8core_private.h b/dlls/d3dx8/d3dx8core_private.h
index 7ce85b12635..edc451fefbe 100644
--- a/dlls/d3dx8/d3dx8core_private.h
+++ b/dlls/d3dx8/d3dx8core_private.h
@@ -47,7 +47,7 @@ struct ID3DXBufferImpl
 {
   /* IUnknown fields */
   const ID3DXBufferVtbl *lpVtbl;
-  DWORD          ref;
+  LONG           ref;
 
   /* ID3DXBuffer fields */
   DWORD         *buffer;
@@ -79,7 +79,7 @@ struct ID3DXFontImpl
 {
   /* IUnknown fields */
   const ID3DXFontVtbl *lpVtbl;
-  DWORD          ref;
+  LONG           ref;
 
   /* ID3DXFont fields */
 };
diff --git a/dlls/ddraw/d3d_private.h b/dlls/ddraw/d3d_private.h
index ddcffa4d054..99adb645065 100644
--- a/dlls/ddraw/d3d_private.h
+++ b/dlls/ddraw/d3d_private.h
@@ -67,7 +67,7 @@ typedef struct STATEBLOCK {
 struct IDirect3DLightImpl
 {
     ICOM_VFIELD_MULTI(IDirect3DLight);
-    DWORD ref;
+    LONG ref;
     /* IDirect3DLight fields */
     IDirectDrawImpl *d3d;
     /* If this light is active for one viewport, put the viewport here */
@@ -95,7 +95,7 @@ struct IDirect3DMaterialImpl
     ICOM_VFIELD_MULTI(IDirect3DMaterial3);
     ICOM_VFIELD_MULTI(IDirect3DMaterial2);
     ICOM_VFIELD_MULTI(IDirect3DMaterial);
-    DWORD  ref;
+    LONG  ref;
     /* IDirect3DMaterial2 fields */
     IDirectDrawImpl *d3d;
     IDirect3DDeviceImpl *active_device;
@@ -111,7 +111,7 @@ struct IDirect3DMaterialImpl
 struct IDirect3DViewportImpl
 {
     ICOM_VFIELD_MULTI(IDirect3DViewport3);
-    DWORD ref;
+    LONG ref;
     /* IDirect3DViewport fields */
     IDirectDrawImpl *d3d;
     /* If this viewport is active for one device, put the device here */
@@ -145,7 +145,7 @@ struct IDirect3DViewportImpl
 struct IDirect3DExecuteBufferImpl
 {
     ICOM_VFIELD_MULTI(IDirect3DExecuteBuffer);
-    DWORD ref;
+    LONG ref;
     /* IDirect3DExecuteBuffer fields */
     IDirectDrawImpl *d3d;
     IDirect3DDeviceImpl* d3ddev;
@@ -195,7 +195,7 @@ struct IDirect3DDeviceImpl
     ICOM_VFIELD_MULTI(IDirect3DDevice3);
     ICOM_VFIELD_MULTI(IDirect3DDevice2);
     ICOM_VFIELD_MULTI(IDirect3DDevice);
-    DWORD  ref;
+    LONG  ref;
 
     /* Version of the Direct3D object from which the device has been created */
     DWORD version;
@@ -260,7 +260,7 @@ struct IDirect3DVertexBufferImpl
 {
     ICOM_VFIELD_MULTI(IDirect3DVertexBuffer7);
     ICOM_VFIELD_MULTI(IDirect3DVertexBuffer);
-    DWORD ref;
+    LONG ref;
     IDirectDrawImpl *d3d;
     D3DVERTEXBUFFERDESC desc;
     LPVOID *vertices;
diff --git a/dlls/ddraw/ddraw_private.h b/dlls/ddraw/ddraw_private.h
index 32d57bd465a..ee97e4caba6 100644
--- a/dlls/ddraw/ddraw_private.h
+++ b/dlls/ddraw/ddraw_private.h
@@ -86,7 +86,7 @@ struct IDirectDrawImpl
     ICOM_VFIELD_MULTI(IDirect3D2);
     ICOM_VFIELD_MULTI(IDirect3D);
 
-    DWORD ref;
+    LONG ref;
 
     /* TRUE if created via DirectDrawCreateEx or CoCreateInstance,
      * FALSE if created via DirectDrawCreate. */
@@ -198,7 +198,7 @@ struct IDirectDrawPaletteImpl
 {
     /* IUnknown fields */
     ICOM_VFIELD_MULTI(IDirectDrawPalette);
-    DWORD ref;
+    LONG ref;
 
     DDRAWI_DDRAWPALETTE_LCL local;
     DDRAWI_DDRAWPALETTE_GBL global;
@@ -226,7 +226,7 @@ struct IDirectDrawClipperImpl
 {
     /* IUnknown fields */
     ICOM_VFIELD_MULTI(IDirectDrawClipper);
-    DWORD ref;
+    LONG ref;
 
     /* IDirectDrawClipper fields */
     HWND hWnd;
@@ -248,7 +248,7 @@ struct IDirectDrawSurfaceImpl
     ICOM_VFIELD_MULTI(IDirectDrawGammaControl);
     ICOM_VFIELD_MULTI(IDirect3DTexture2);
     ICOM_VFIELD_MULTI(IDirect3DTexture);
-    DWORD ref;
+    LONG ref;
 
     struct IDirectDrawSurfaceImpl* attached; /* attached surfaces */
 
diff --git a/dlls/ddraw/main.c b/dlls/ddraw/main.c
index 83b3533a56a..c84dbc7fa7a 100644
--- a/dlls/ddraw/main.c
+++ b/dlls/ddraw/main.c
@@ -450,7 +450,7 @@ static HRESULT DDRAW_CreateDirectDraw(IUnknown* pUnkOuter, REFIID iid,
 typedef struct {
     ICOM_VFIELD_MULTI(IClassFactory);
 
-    DWORD ref;
+    LONG ref;
     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID iid,
 				 LPVOID *ppObj);
 } IClassFactoryImpl;
diff --git a/dlls/devenum/devenum_private.h b/dlls/devenum/devenum_private.h
index 3cebff393a1..4b6083a1fc6 100644
--- a/dlls/devenum/devenum_private.h
+++ b/dlls/devenum/devenum_private.h
@@ -69,7 +69,7 @@ typedef struct
 typedef struct
 {
     const IEnumMonikerVtbl *lpVtbl;
-    DWORD ref;
+    LONG ref;
     DWORD index;
     HKEY hkey;
 } EnumMonikerImpl;
@@ -77,7 +77,7 @@ typedef struct
 typedef struct
 {
     const IMonikerVtbl *lpVtbl;
-    ULONG ref;
+    LONG ref;
     HKEY hkey;
 } MediaCatMoniker;
 
diff --git a/dlls/devenum/mediacatenum.c b/dlls/devenum/mediacatenum.c
index a8685e212d4..bce7b3d3fd6 100644
--- a/dlls/devenum/mediacatenum.c
+++ b/dlls/devenum/mediacatenum.c
@@ -41,7 +41,7 @@ static ULONG WINAPI DEVENUM_IPropertyBag_AddRef(LPPROPERTYBAG iface);
 typedef struct
 {
     const IPropertyBagVtbl *lpVtbl;
-    DWORD ref;
+    LONG ref;
     HKEY hkey;
 } RegPropBagImpl;