diff --git a/dlls/mshtml/htmlframebase.c b/dlls/mshtml/htmlframebase.c
index 6c0dd40a5e8..b474a34cbf3 100644
--- a/dlls/mshtml/htmlframebase.c
+++ b/dlls/mshtml/htmlframebase.c
@@ -242,11 +242,154 @@ static const IHTMLFrameBaseVtbl HTMLFrameBaseVtbl = {
     HTMLFrameBase_get_scrolling
 };
 
+#define HTMLFRAMEBASE2_THIS(iface) DEFINE_THIS(HTMLFrameBase, IHTMLFrameBase2, iface)
+
+static HRESULT WINAPI HTMLFrameBase2_QueryInterface(IHTMLFrameBase2 *iface, REFIID riid, void **ppv)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+
+    return IHTMLDOMNode_QueryInterface(HTMLDOMNODE(&This->element.node), riid, ppv);
+}
+
+static ULONG WINAPI HTMLFrameBase2_AddRef(IHTMLFrameBase2 *iface)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+
+    return IHTMLDOMNode_AddRef(HTMLDOMNODE(&This->element.node));
+}
+
+static ULONG WINAPI HTMLFrameBase2_Release(IHTMLFrameBase2 *iface)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+
+    return IHTMLDOMNode_Release(HTMLDOMNODE(&This->element.node));
+}
+
+static HRESULT WINAPI HTMLFrameBase2_GetTypeInfoCount(IHTMLFrameBase2 *iface, UINT *pctinfo)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)\n", This);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_GetTypeInfo(IHTMLFrameBase2 *iface, UINT iTInfo,
+        LCID lcid, ITypeInfo **ppTInfo)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)\n", This);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_GetIDsOfNames(IHTMLFrameBase2 *iface, REFIID riid,
+        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)\n", This);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_Invoke(IHTMLFrameBase2 *iface, DISPID dispIdMember,
+        REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
+        VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)\n", This);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_get_contentWindow(IHTMLFrameBase2 *iface, IHTMLWindow2 **p)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    if(This->content_window) {
+        IHTMLWindow2_AddRef(HTMLWINDOW2(This->content_window));
+        *p = HTMLWINDOW2(This->content_window);
+    }else {
+        WARN("NULL content window\n");
+        *p = NULL;
+    }
+    return S_OK;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_put_onload(IHTMLFrameBase2 *iface, VARIANT v)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_get_onload(IHTMLFrameBase2 *iface, VARIANT *p)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)->(%p)\n", This, p);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_put_onreadystatechange(IHTMLFrameBase2 *iface, VARIANT v)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_get_onreadystatechange(IHTMLFrameBase2 *iface, VARIANT *p)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)->(%p)\n", This, p);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_get_readyState(IHTMLFrameBase2 *iface, BSTR *p)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)->(%p)\n", This, p);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_put_allowTransparency(IHTMLFrameBase2 *iface, VARIANT_BOOL v)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)->(%x)\n", This, v);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI HTMLFrameBase2_get_allowTransparency(IHTMLFrameBase2 *iface, VARIANT_BOOL *p)
+{
+    HTMLFrameBase *This = HTMLFRAMEBASE2_THIS(iface);
+    FIXME("(%p)->(%p)\n", This, p);
+    return E_NOTIMPL;
+}
+
+#undef HTMLFRAMEBASE2_THIS
+
+static const IHTMLFrameBase2Vtbl HTMLFrameBase2Vtbl = {
+    HTMLFrameBase2_QueryInterface,
+    HTMLFrameBase2_AddRef,
+    HTMLFrameBase2_Release,
+    HTMLFrameBase2_GetTypeInfoCount,
+    HTMLFrameBase2_GetTypeInfo,
+    HTMLFrameBase2_GetIDsOfNames,
+    HTMLFrameBase2_Invoke,
+    HTMLFrameBase2_get_contentWindow,
+    HTMLFrameBase2_put_onload,
+    HTMLFrameBase2_get_onload,
+    HTMLFrameBase2_put_onreadystatechange,
+    HTMLFrameBase2_get_onreadystatechange,
+    HTMLFrameBase2_get_readyState,
+    HTMLFrameBase2_put_allowTransparency,
+    HTMLFrameBase2_get_allowTransparency
+};
+
 HRESULT HTMLFrameBase_QI(HTMLFrameBase *This, REFIID riid, void **ppv)
 {
     if(IsEqualGUID(&IID_IHTMLFrameBase, riid)) {
         TRACE("(%p)->(IID_IHTMLFrameBase %p)\n", This, ppv);
         *ppv = HTMLFRAMEBASE(This);
+    }else if(IsEqualGUID(&IID_IHTMLFrameBase2, riid)) {
+        TRACE("(%p)->(IID_IHTMLFrameBase2 %p)\n", This, ppv);
+        *ppv = HTMLFRAMEBASE2(This);
     }else {
         return HTMLElement_QI(&This->element.node, riid, ppv);
     }
@@ -269,6 +412,7 @@ void HTMLFrameBase_Init(HTMLFrameBase *This, HTMLDocumentNode *doc, nsIDOMHTMLEl
         HTMLWindow *content_window, dispex_static_data_t *dispex_data)
 {
     This->lpIHTMLFrameBaseVtbl = &HTMLFrameBaseVtbl;
+    This->lpIHTMLFrameBase2Vtbl = &HTMLFrameBase2Vtbl;
 
     HTMLElement_Init(&This->element, doc, nselem, dispex_data);
 
diff --git a/dlls/mshtml/htmliframe.c b/dlls/mshtml/htmliframe.c
index daef946c94d..218638bb8bf 100644
--- a/dlls/mshtml/htmliframe.c
+++ b/dlls/mshtml/htmliframe.c
@@ -33,172 +33,19 @@ WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
 
 typedef struct {
     HTMLFrameBase framebase;
-    const IHTMLFrameBase2Vtbl  *lpIHTMLFrameBase2Vtbl;
 
     LONG ref;
 
     nsIDOMHTMLIFrameElement *nsiframe;
 } HTMLIFrame;
 
-#define HTMLFRAMEBASE2(x)  (&(x)->lpIHTMLFrameBase2Vtbl)
-
-#define HTMLFRAMEBASE2_THIS(iface) DEFINE_THIS(HTMLIFrame, IHTMLFrameBase2, iface)
-
-static HRESULT WINAPI HTMLIFrameBase2_QueryInterface(IHTMLFrameBase2 *iface, REFIID riid, void **ppv)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-
-    return IHTMLDOMNode_QueryInterface(HTMLDOMNODE(&This->framebase.element.node), riid, ppv);
-}
-
-static ULONG WINAPI HTMLIFrameBase2_AddRef(IHTMLFrameBase2 *iface)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-
-    return IHTMLDOMNode_AddRef(HTMLDOMNODE(&This->framebase.element.node));
-}
-
-static ULONG WINAPI HTMLIFrameBase2_Release(IHTMLFrameBase2 *iface)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-
-    return IHTMLDOMNode_Release(HTMLDOMNODE(&This->framebase.element.node));
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_GetTypeInfoCount(IHTMLFrameBase2 *iface, UINT *pctinfo)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)\n", This);
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_GetTypeInfo(IHTMLFrameBase2 *iface, UINT iTInfo,
-        LCID lcid, ITypeInfo **ppTInfo)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)\n", This);
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_GetIDsOfNames(IHTMLFrameBase2 *iface, REFIID riid,
-        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)\n", This);
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_Invoke(IHTMLFrameBase2 *iface, DISPID dispIdMember,
-        REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
-        VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)\n", This);
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_get_contentWindow(IHTMLFrameBase2 *iface, IHTMLWindow2 **p)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-
-    TRACE("(%p)->(%p)\n", This, p);
-
-    if(This->framebase.content_window) {
-        IHTMLWindow2_AddRef(HTMLWINDOW2(This->framebase.content_window));
-        *p = HTMLWINDOW2(This->framebase.content_window);
-    }else {
-        WARN("NULL content window\n");
-        *p = NULL;
-    }
-    return S_OK;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_put_onload(IHTMLFrameBase2 *iface, VARIANT v)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_get_onload(IHTMLFrameBase2 *iface, VARIANT *p)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_put_onreadystatechange(IHTMLFrameBase2 *iface, VARIANT v)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_get_onreadystatechange(IHTMLFrameBase2 *iface, VARIANT *p)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_get_readyState(IHTMLFrameBase2 *iface, BSTR *p)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_put_allowTransparency(IHTMLFrameBase2 *iface, VARIANT_BOOL v)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)->(%x)\n", This, v);
-    return E_NOTIMPL;
-}
-
-static HRESULT WINAPI HTMLIFrameBase2_get_allowTransparency(IHTMLFrameBase2 *iface, VARIANT_BOOL *p)
-{
-    HTMLIFrame *This = HTMLFRAMEBASE2_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
-}
-
-#undef HTMLFRAMEBASE2_THIS
-
-static const IHTMLFrameBase2Vtbl HTMLIFrameBase2Vtbl = {
-    HTMLIFrameBase2_QueryInterface,
-    HTMLIFrameBase2_AddRef,
-    HTMLIFrameBase2_Release,
-    HTMLIFrameBase2_GetTypeInfoCount,
-    HTMLIFrameBase2_GetTypeInfo,
-    HTMLIFrameBase2_GetIDsOfNames,
-    HTMLIFrameBase2_Invoke,
-    HTMLIFrameBase2_get_contentWindow,
-    HTMLIFrameBase2_put_onload,
-    HTMLIFrameBase2_get_onload,
-    HTMLIFrameBase2_put_onreadystatechange,
-    HTMLIFrameBase2_get_onreadystatechange,
-    HTMLIFrameBase2_get_readyState,
-    HTMLIFrameBase2_put_allowTransparency,
-    HTMLIFrameBase2_get_allowTransparency
-};
-
 #define HTMLIFRAME_NODE_THIS(iface) DEFINE_THIS2(HTMLIFrame, framebase.element.node, iface)
 
 static HRESULT HTMLIFrame_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
 {
     HTMLIFrame *This = HTMLIFRAME_NODE_THIS(iface);
 
-    *ppv = NULL;
-
-    if(IsEqualGUID(&IID_IHTMLFrameBase2, riid)) {
-        TRACE("(%p)->(IID_IHTMLFrameBase2 %p)\n", This, ppv);
-        *ppv = HTMLFRAMEBASE2(This);
-    }else {
-        return HTMLFrameBase_QI(&This->framebase, riid, ppv);
-    }
-
-    IUnknown_AddRef((IUnknown*)*ppv);
-    return S_OK;
+    return HTMLFrameBase_QI(&This->framebase, riid, ppv);
 }
 
 static void HTMLIFrame_destructor(HTMLDOMNode *iface)
@@ -274,7 +121,6 @@ HTMLElement *HTMLIFrame_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem,
 
     ret = heap_alloc_zero(sizeof(HTMLIFrame));
 
-    ret->lpIHTMLFrameBase2Vtbl = &HTMLIFrameBase2Vtbl;
     ret->framebase.element.node.vtbl = &HTMLIFrameImplVtbl;
 
     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLIFrameElement, (void**)&ret->nsiframe);
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index 8e5f9016d3c..d1fe9f83eba 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -485,7 +485,8 @@ typedef struct {
 struct HTMLFrameBase {
     HTMLElement element;
 
-    const IHTMLFrameBaseVtbl *lpIHTMLFrameBaseVtbl;
+    const IHTMLFrameBaseVtbl   *lpIHTMLFrameBaseVtbl;
+    const IHTMLFrameBase2Vtbl  *lpIHTMLFrameBase2Vtbl;
 
     HTMLWindow *content_window;
 };
@@ -589,6 +590,7 @@ struct HTMLDocumentNode {
 
 #define HTMLTEXTCONT(x)  ((IHTMLTextContainer*)           &(x)->lpHTMLTextContainerVtbl)
 #define HTMLFRAMEBASE(x) ((IHTMLFrameBase*)               &(x)->lpIHTMLFrameBaseVtbl)
+#define HTMLFRAMEBASE2(x) ((IHTMLFrameBase2*)             &(x)->lpIHTMLFrameBase2Vtbl)
 
 #define HTMLOPTFACTORY(x)  ((IHTMLOptionElementFactory*)  &(x)->lpHTMLOptionElementFactoryVtbl)
 #define HTMLIMGFACTORY(x)  ((IHTMLImageElementFactory*)  &(x)->lpHTMLImageElementFactoryVtbl)