diff --git a/dlls/ole32/datacache.c b/dlls/ole32/datacache.c
index e93e867e86e..21f63d32ada 100644
--- a/dlls/ole32/datacache.c
+++ b/dlls/ole32/datacache.c
@@ -2464,7 +2464,7 @@ HRESULT WINAPI CreateDataCache(
    * IUnknown pointer can be returned to the outside.
    */
   if ( pUnkOuter && !IsEqualIID(&IID_IUnknown, riid) )
-    return CLASS_E_NOAGGREGATION;
+    return E_INVALIDARG;
 
   /*
    * Try to construct a new instance of the class.
diff --git a/dlls/ole32/tests/ole2.c b/dlls/ole32/tests/ole2.c
index d58105c6a8e..afff6baa5a6 100644
--- a/dlls/ole32/tests/ole2.c
+++ b/dlls/ole32/tests/ole2.c
@@ -1598,7 +1598,6 @@ static void test_data_cache(void)
 
     /* requested is not IUnknown */
     hr = CreateDataCache(&unknown, &CLSID_NULL, &IID_IOleCache2, (void**)&pOleCache);
-todo_wine
     ok(hr == E_INVALIDARG, "got 0x%08x\n", hr);
 
     hr = CreateDataCache(&unknown, &CLSID_NULL, &IID_IUnknown, (void**)&unk);