diff --git a/dlls/mshtml/htmlstylesheet.c b/dlls/mshtml/htmlstylesheet.c
index a1669c1b797..2abd77f2564 100644
--- a/dlls/mshtml/htmlstylesheet.c
+++ b/dlls/mshtml/htmlstylesheet.c
@@ -50,6 +50,7 @@ struct HTMLStyleSheetsCollection {
 };
 
 struct HTMLStyleSheetRulesCollection {
+    DispatchEx dispex;
     IHTMLStyleSheetRulesCollection IHTMLStyleSheetRulesCollection_iface;
 
     LONG ref;
@@ -73,15 +74,16 @@ static HRESULT WINAPI HTMLStyleSheetRulesCollection_QueryInterface(IHTMLStyleShe
     }else if(IsEqualGUID(&IID_IHTMLStyleSheetRulesCollection, riid)) {
         TRACE("(%p)->(IID_IHTMLStyleSheetRulesCollection %p)\n", This, ppv);
         *ppv = &This->IHTMLStyleSheetRulesCollection_iface;
+    }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
+        return *ppv ? S_OK : E_NOINTERFACE;
+    }else {
+        *ppv = NULL;
+        FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
+        return E_NOINTERFACE;
     }
 
-    if(*ppv) {
-        IUnknown_AddRef((IUnknown*)*ppv);
-        return S_OK;
-    }
-
-    FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
-    return E_NOINTERFACE;
+    IUnknown_AddRef((IUnknown*)*ppv);
+    return S_OK;
 }
 
 static ULONG WINAPI HTMLStyleSheetRulesCollection_AddRef(IHTMLStyleSheetRulesCollection *iface)
@@ -102,6 +104,7 @@ static ULONG WINAPI HTMLStyleSheetRulesCollection_Release(IHTMLStyleSheetRulesCo
     TRACE("(%p) ref=%d\n", This, ref);
 
     if(!ref) {
+        release_dispex(&This->dispex);
         if(This->nslist)
             nsIDOMCSSRuleList_Release(This->nslist);
         heap_free(This);
@@ -114,25 +117,22 @@ static HRESULT WINAPI HTMLStyleSheetRulesCollection_GetTypeInfoCount(
         IHTMLStyleSheetRulesCollection *iface, UINT *pctinfo)
 {
     HTMLStyleSheetRulesCollection *This = impl_from_IHTMLStyleSheetRulesCollection(iface);
-    FIXME("(%p)->(%p)\n", This, pctinfo);
-    return E_NOTIMPL;
+    return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
 }
 
 static HRESULT WINAPI HTMLStyleSheetRulesCollection_GetTypeInfo(IHTMLStyleSheetRulesCollection *iface,
         UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
 {
     HTMLStyleSheetRulesCollection *This = impl_from_IHTMLStyleSheetRulesCollection(iface);
-    FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
-    return E_NOTIMPL;
+    return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
 }
 
 static HRESULT WINAPI HTMLStyleSheetRulesCollection_GetIDsOfNames(IHTMLStyleSheetRulesCollection *iface,
         REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 {
     HTMLStyleSheetRulesCollection *This = impl_from_IHTMLStyleSheetRulesCollection(iface);
-    FIXME("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
-          lcid, rgDispId);
-    return E_NOTIMPL;
+    return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
+            lcid, rgDispId);
 }
 
 static HRESULT WINAPI HTMLStyleSheetRulesCollection_Invoke(IHTMLStyleSheetRulesCollection *iface,
@@ -140,9 +140,8 @@ static HRESULT WINAPI HTMLStyleSheetRulesCollection_Invoke(IHTMLStyleSheetRulesC
         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 {
     HTMLStyleSheetRulesCollection *This = impl_from_IHTMLStyleSheetRulesCollection(iface);
-    FIXME("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
-          lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
-    return E_NOTIMPL;
+    return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid, wFlags,
+            pDispParams, pVarResult, pExcepInfo, puArgErr);
 }
 
 static HRESULT WINAPI HTMLStyleSheetRulesCollection_get_length(IHTMLStyleSheetRulesCollection *iface,
@@ -185,6 +184,17 @@ static const IHTMLStyleSheetRulesCollectionVtbl HTMLStyleSheetRulesCollectionVtb
     HTMLStyleSheetRulesCollection_item
 };
 
+static const tid_t HTMLStyleSheetRulesCollection_iface_tids[] = {
+    IHTMLStyleSheetRulesCollection_tid,
+    0
+};
+static dispex_static_data_t HTMLStyleSheetRulesCollection_dispex = {
+    NULL,
+    DispHTMLStyleSheetRulesCollection_tid,
+    NULL,
+    HTMLStyleSheetRulesCollection_iface_tids
+};
+
 static IHTMLStyleSheetRulesCollection *HTMLStyleSheetRulesCollection_Create(nsIDOMCSSRuleList *nslist)
 {
     HTMLStyleSheetRulesCollection *ret;
@@ -194,6 +204,8 @@ static IHTMLStyleSheetRulesCollection *HTMLStyleSheetRulesCollection_Create(nsID
     ret->ref = 1;
     ret->nslist = nslist;
 
+    init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLStyleSheetRulesCollection_iface, &HTMLStyleSheetRulesCollection_dispex);
+
     if(nslist)
         nsIDOMCSSRuleList_AddRef(nslist);
 
@@ -460,7 +472,6 @@ static HRESULT WINAPI HTMLStyleSheet_GetTypeInfo(IHTMLStyleSheet *iface, UINT iT
                                               LCID lcid, ITypeInfo **ppTInfo)
 {
     HTMLStyleSheet *This = impl_from_IHTMLStyleSheet(iface);
-    TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
     return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
 }
 
@@ -469,7 +480,6 @@ static HRESULT WINAPI HTMLStyleSheet_GetIDsOfNames(IHTMLStyleSheet *iface, REFII
                                                 LCID lcid, DISPID *rgDispId)
 {
     HTMLStyleSheet *This = impl_from_IHTMLStyleSheet(iface);
-    TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
     return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames, lcid, rgDispId);
 }
 
@@ -478,8 +488,6 @@ static HRESULT WINAPI HTMLStyleSheet_Invoke(IHTMLStyleSheet *iface, DISPID dispI
                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 {
     HTMLStyleSheet *This = impl_from_IHTMLStyleSheet(iface);
-    TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
-          lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
     return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid, wFlags, pDispParams,
             pVarResult, pExcepInfo, puArgErr);
 }
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index 2b59c8ac359..ccfec4a0682 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -107,6 +107,7 @@ typedef struct event_target_t event_target_t;
     XDIID(DispHTMLStyle) \
     XDIID(DispHTMLStyleElement) \
     XDIID(DispHTMLStyleSheet) \
+    XDIID(DispHTMLStyleSheetRulesCollection) \
     XDIID(DispHTMLStyleSheetsCollection) \
     XDIID(DispHTMLTable) \
     XDIID(DispHTMLTableCell) \
@@ -180,6 +181,7 @@ typedef struct event_target_t event_target_t;
     XIID(IHTMLStyle6) \
     XIID(IHTMLStyleElement) \
     XIID(IHTMLStyleSheet) \
+    XIID(IHTMLStyleSheetRulesCollection) \
     XIID(IHTMLStyleSheetsCollection) \
     XIID(IHTMLTable) \
     XIID(IHTMLTable2) \
diff --git a/dlls/mshtml/tests/dom.c b/dlls/mshtml/tests/dom.c
index 4378ad3a6f3..08c6c296849 100644
--- a/dlls/mshtml/tests/dom.c
+++ b/dlls/mshtml/tests/dom.c
@@ -6241,6 +6241,8 @@ static void test_stylesheet(IDispatch *disp)
     hres = IHTMLStyleSheet_get_rules(stylesheet, &col);
     ok(hres == S_OK, "get_rules failed: %08x\n", hres);
     ok(col != NULL, "col == NULL\n");
+
+    test_disp2((IUnknown*)col, &DIID_DispHTMLStyleSheetRulesCollection, &IID_IHTMLStyleSheetRulesCollection, "[object]");
     IHTMLStyleSheetRulesCollection_Release(col);
 
     href = (void*)0xdeadbeef;