diff --git a/dlls/quartz/filtergraph.c b/dlls/quartz/filtergraph.c
index 771a3306a28..3d495dbeed0 100644
--- a/dlls/quartz/filtergraph.c
+++ b/dlls/quartz/filtergraph.c
@@ -822,7 +822,7 @@ static HRESULT GetFilterInfo(IMoniker* pMoniker, VARIANT* pvar)
         hr = IPropertyBag_Read(pPropBagCat, wszFriendlyName, pvar, NULL);
 
     if (SUCCEEDED(hr))
-        TRACE("Moniker = %s\n", debugstr_w(V_UNION(pvar, bstrVal)));
+        TRACE("Moniker = %s\n", debugstr_w(V_BSTR(pvar)));
 
     if (pPropBagCat)
         IPropertyBag_Release(pPropBagCat);
@@ -1071,7 +1071,7 @@ static HRESULT WINAPI FilterGraph2_Connect(IFilterGraph2 *iface, IPin *ppinOut,
             }
         }
 
-        hr = IFilterGraph2_AddFilter(iface, pfilter, V_UNION(&var, bstrVal));
+        hr = IFilterGraph2_AddFilter(iface, pfilter, V_BSTR(&var));
         if (FAILED(hr)) {
             WARN("Unable to add filter (%x)\n", hr);
             IBaseFilter_Release(pfilter);
@@ -1405,7 +1405,7 @@ static HRESULT WINAPI FilterGraph2_Render(IFilterGraph2 *iface, IPin *ppinOut)
                 goto error;
             }
 
-            hr = IFilterGraph2_AddFilter(iface, pfilter, V_UNION(&var, bstrVal));
+            hr = IFilterGraph2_AddFilter(iface, pfilter, V_BSTR(&var));
             if (FAILED(hr)) {
                 WARN("Unable to add filter (%x)\n", hr);
                 IBaseFilter_Release(pfilter);
@@ -1445,10 +1445,10 @@ static HRESULT WINAPI FilterGraph2_Render(IFilterGraph2 *iface, IPin *ppinOut)
                 IPin_Release(ppinfilter);
 
                 if (FAILED(hr)) {
-                    WARN("Unable to connect %s to renderer (%x)\n", debugstr_w(V_UNION(&var, bstrVal)), hr);
+                    WARN("Unable to connect %s to renderer (%x)\n", debugstr_w(V_BSTR(&var)), hr);
                     goto error;
                 }
-                TRACE("Connected, recursing %s\n",  debugstr_w(V_UNION(&var, bstrVal)));
+                TRACE("Connected, recursing %s\n",  debugstr_w(V_BSTR(&var)));
 
                 VariantClear(&var);
 
diff --git a/dlls/quartz/filtermapper.c b/dlls/quartz/filtermapper.c
index 6d02a7a15fc..a462fbcdde9 100644
--- a/dlls/quartz/filtermapper.c
+++ b/dlls/quartz/filtermapper.c
@@ -366,7 +366,7 @@ static HRESULT FM2_WriteFriendlyName(IPropertyBag * pPropBag, LPCWSTR szName)
     BSTR value;
 
     V_VT(&var) = VT_BSTR;
-    V_UNION(&var, bstrVal) = value = SysAllocString(szName);
+    V_BSTR(&var) = value = SysAllocString(szName);
 
     ret = IPropertyBag_Write(pPropBag, wszFriendlyName, &var);
     SysFreeString(value);
@@ -385,7 +385,7 @@ static HRESULT FM2_WriteClsid(IPropertyBag * pPropBag, REFCLSID clsid)
     if (SUCCEEDED(hr))
     {
         V_VT(&var) = VT_BSTR;
-        V_UNION(&var, bstrVal) = wszClsid;
+        V_BSTR(&var) = wszClsid;
         hr = IPropertyBag_Write(pPropBag, wszClsidName, &var);
     }
     CoTaskMemFree(wszClsid);
@@ -797,7 +797,7 @@ static HRESULT WINAPI FilterMapper3_RegisterFilter(
             }
 
             V_VT(&var) = VT_ARRAY | VT_UI1;
-            V_UNION(&var, parray) = psa;
+            V_ARRAY(&var) = psa;
 
             if (SUCCEEDED(hr))
                 hr = IPropertyBag_Write(pPropBag, wszFilterDataName, &var);
@@ -946,7 +946,7 @@ static HRESULT WINAPI FilterMapper3_EnumMatchingFilters(
         if (SUCCEEDED(hrSub))
             hrSub = IPropertyBag_Read(pPropBagCat, wszMeritName, &var, NULL);
 
-        if (SUCCEEDED(hrSub) && (V_UNION(&var, ulVal) >= dwMerit))
+        if (SUCCEEDED(hrSub) && (V_UI4(&var) >= dwMerit))
         {
             CLSID clsidCat;
             IEnumMoniker * pEnum;
@@ -959,14 +959,14 @@ static HRESULT WINAPI FilterMapper3_EnumMatchingFilters(
                 VARIANT temp;
                 V_VT(&temp) = VT_EMPTY;
                 IPropertyBag_Read(pPropBagCat, wszFriendlyName, &temp, NULL);
-                TRACE("Considering category %s\n", debugstr_w(V_UNION(&temp, bstrVal)));
+                TRACE("Considering category %s\n", debugstr_w(V_BSTR(&temp)));
                 VariantClear(&temp);
             }
 
             hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
 
             if (SUCCEEDED(hrSub))
-                hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsidCat);
+                hrSub = CLSIDFromString(V_BSTR(&var), &clsidCat);
 
             if (SUCCEEDED(hrSub))
                 hrSub = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &clsidCat, &pEnum, 0);
@@ -993,7 +993,7 @@ static HRESULT WINAPI FilterMapper3_EnumMatchingFilters(
                         VARIANT temp;
                         V_VT(&temp) = VT_EMPTY;
                         IPropertyBag_Read(pPropBag, wszFriendlyName, &temp, NULL);
-                        TRACE("Considering filter %s\n", debugstr_w(V_UNION(&temp, bstrVal)));
+                        TRACE("Considering filter %s\n", debugstr_w(V_BSTR(&temp)));
                         VariantClear(&temp);
                     }
 
@@ -1003,13 +1003,13 @@ static HRESULT WINAPI FilterMapper3_EnumMatchingFilters(
                     }
 
                     if (SUCCEEDED(hrSub))
-                        hrSub = SafeArrayAccessData(V_UNION(&var, parray), (LPVOID*)&pData);
+                        hrSub = SafeArrayAccessData(V_ARRAY(&var), (LPVOID*)&pData);
 
                     if (SUCCEEDED(hrSub))
                         hrSub = FM2_ReadFilterData(pData, &rf2);
 
                     if (pData)
-                        SafeArrayUnaccessData(V_UNION(&var, parray));
+                        SafeArrayUnaccessData(V_ARRAY(&var));
 
                     VariantClear(&var);
 
@@ -1221,7 +1221,7 @@ static HRESULT WINAPI FilterMapper_EnumMatchingFilters(
             hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
 
         if (SUCCEEDED(hrSub))
-            hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsid);
+            hrSub = CLSIDFromString(V_BSTR(&var), &clsid);
 
         VariantClear(&var);
 
@@ -1230,14 +1230,14 @@ static HRESULT WINAPI FilterMapper_EnumMatchingFilters(
 
         if (SUCCEEDED(hrSub))
         {
-            len = (strlenW(V_UNION(&var, bstrVal))+1) * sizeof(WCHAR);
+            len = (strlenW(V_BSTR(&var))+1) * sizeof(WCHAR);
             if (!(regfilters[idx].Name = CoTaskMemAlloc(len*2)))
                 hr = E_OUTOFMEMORY;
         }
 
         if (SUCCEEDED(hrSub) && regfilters[idx].Name)
         {
-            memcpy(regfilters[idx].Name, V_UNION(&var, bstrVal), len);
+            memcpy(regfilters[idx].Name, V_BSTR(&var), len);
             regfilters[idx].Clsid = clsid;
             idx++;
         }
diff --git a/dlls/quartz/tests/filtermapper.c b/dlls/quartz/tests/filtermapper.c
index d21509d23ae..bf1839aa5f3 100644
--- a/dlls/quartz/tests/filtermapper.c
+++ b/dlls/quartz/tests/filtermapper.c
@@ -62,7 +62,7 @@ static BOOL enum_find_filter(const WCHAR *wszFilterName, IEnumMoniker *pEnum)
         {
             CHAR val1[512], val2[512];
 
-            WideCharToMultiByte(CP_ACP, 0, V_UNION(&var, bstrVal), -1, val1, sizeof(val1), 0, 0);
+            WideCharToMultiByte(CP_ACP, 0, V_BSTR(&var), -1, val1, sizeof(val1), 0, 0);
             WideCharToMultiByte(CP_ACP, 0, wszFilterName, -1, val2, sizeof(val2), 0, 0);
             if (!lstrcmpA(val1, val2)) found = TRUE;
         }