diff --git a/dlls/mshtml/dispex.c b/dlls/mshtml/dispex.c
index c63181f7979..b774917b051 100644
--- a/dlls/mshtml/dispex.c
+++ b/dlls/mshtml/dispex.c
@@ -109,6 +109,7 @@ static REFIID tid_ids[] = {
     &DIID_DispHTMLScriptElement,
     &DIID_DispHTMLSelectElement,
     &DIID_DispHTMLStyle,
+    &DIID_DispHTMLStyleSheetsCollection,
     &DIID_DispHTMLTable,
     &DIID_DispHTMLTableRow,
     &DIID_DispHTMLTextAreaElement,
@@ -160,6 +161,7 @@ static REFIID tid_ids[] = {
     &IID_IHTMLStyle2,
     &IID_IHTMLStyle3,
     &IID_IHTMLStyle4,
+    &IID_IHTMLStyleSheetsCollection,
     &IID_IHTMLTable,
     &IID_IHTMLTableRow,
     &IID_IHTMLTextAreaElement,
diff --git a/dlls/mshtml/htmlstylesheet.c b/dlls/mshtml/htmlstylesheet.c
index e39bfb761ce..b54129a2fcf 100644
--- a/dlls/mshtml/htmlstylesheet.c
+++ b/dlls/mshtml/htmlstylesheet.c
@@ -41,6 +41,7 @@ struct HTMLStyleSheet {
 };
 
 struct HTMLStyleSheetsCollection {
+    DispatchEx dispex;
     const IHTMLStyleSheetsCollectionVtbl *lpHTMLStyleSheetsCollectionVtbl;
 
     LONG ref;
@@ -222,6 +223,8 @@ static HRESULT WINAPI HTMLStyleSheetsCollection_QueryInterface(IHTMLStyleSheetsC
     }else if(IsEqualGUID(&IID_IHTMLStyleSheetsCollection, riid)) {
         TRACE("(%p)->(IID_IHTMLStyleSheetsCollection %p)\n", This, ppv);
         *ppv = HTMLSTYLESHEETSCOL(This);
+    }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
+        return *ppv ? S_OK : E_NOINTERFACE;
     }
 
     if(*ppv) {
@@ -263,25 +266,21 @@ static HRESULT WINAPI HTMLStyleSheetsCollection_GetTypeInfoCount(IHTMLStyleSheet
         UINT *pctinfo)
 {
     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, pctinfo);
-    return E_NOTIMPL;
+    return IDispatchEx_GetTypeInfoCount(DISPATCHEX(&This->dispex), pctinfo);
 }
 
 static HRESULT WINAPI HTMLStyleSheetsCollection_GetTypeInfo(IHTMLStyleSheetsCollection *iface,
         UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
 {
     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
-    FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
-    return E_NOTIMPL;
+    return IDispatchEx_GetTypeInfo(DISPATCHEX(&This->dispex), iTInfo, lcid, ppTInfo);
 }
 
 static HRESULT WINAPI HTMLStyleSheetsCollection_GetIDsOfNames(IHTMLStyleSheetsCollection *iface,
         REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 {
     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
-    FIXME("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
-          lcid, rgDispId);
-    return E_NOTIMPL;
+    return IDispatchEx_GetIDsOfNames(DISPATCHEX(&This->dispex), riid, rgszNames, cNames, lcid, rgDispId);
 }
 
 static HRESULT WINAPI HTMLStyleSheetsCollection_Invoke(IHTMLStyleSheetsCollection *iface,
@@ -289,9 +288,8 @@ static HRESULT WINAPI HTMLStyleSheetsCollection_Invoke(IHTMLStyleSheetsCollectio
         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 {
     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(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(DISPATCHEX(&This->dispex), dispIdMember, riid, lcid,
+            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 }
 
 static HRESULT WINAPI HTMLStyleSheetsCollection_get_length(IHTMLStyleSheetsCollection *iface,
@@ -370,6 +368,17 @@ static const IHTMLStyleSheetsCollectionVtbl HTMLStyleSheetsCollectionVtbl = {
     HTMLStyleSheetsCollection_item
 };
 
+static const tid_t HTMLStyleSheetsCollection_iface_tids[] = {
+    IHTMLStyleSheetsCollection_tid,
+    0
+};
+static dispex_static_data_t HTMLStyleSheetsCollection_dispex = {
+    NULL,
+    DispHTMLStyleSheetsCollection_tid,
+    NULL,
+    HTMLStyleSheetsCollection_iface_tids
+};
+
 IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetList *nslist)
 {
     HTMLStyleSheetsCollection *ret = heap_alloc(sizeof(HTMLStyleSheetsCollection));
@@ -381,6 +390,8 @@ IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetLis
         nsIDOMStyleSheetList_AddRef(nslist);
     ret->nslist = nslist;
 
+    init_dispex(&ret->dispex, (IUnknown*)HTMLSTYLESHEETSCOL(ret),  &HTMLStyleSheetsCollection_dispex);
+
     return HTMLSTYLESHEETSCOL(ret);
 }
 
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index be11bd4b881..c222d3ebe6a 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -91,6 +91,7 @@ typedef enum {
     DispHTMLScriptElement_tid,
     DispHTMLSelectElement_tid,
     DispHTMLStyle_tid,
+    DispHTMLStyleSheetsCollection_tid,
     DispHTMLTable_tid,
     DispHTMLTableRow_tid,
     DispHTMLTextAreaElement_tid,
@@ -142,6 +143,7 @@ typedef enum {
     IHTMLStyle2_tid,
     IHTMLStyle3_tid,
     IHTMLStyle4_tid,
+    IHTMLStyleSheetsCollection_tid,
     IHTMLTable_tid,
     IHTMLTableRow_tid,
     IHTMLTextAreaElement_tid,
diff --git a/dlls/mshtml/tests/dom.c b/dlls/mshtml/tests/dom.c
index 2134b311661..c1110ba5e43 100644
--- a/dlls/mshtml/tests/dom.c
+++ b/dlls/mshtml/tests/dom.c
@@ -5850,6 +5850,8 @@ static void test_stylesheets(IHTMLDocument2 *doc)
     ok(hres == S_OK, "get_styleSheets failed: %08x\n", hres);
     ok(col != NULL, "col == NULL\n");
 
+    test_disp2((IUnknown*)col, &DIID_DispHTMLStyleSheetsCollection, &IID_IHTMLStyleSheetsCollection, "[object]");
+
     hres = IHTMLStyleSheetsCollection_get_length(col, &len);
     ok(hres == S_OK, "get_length failed: %08x\n", hres);
     ok(len == 1, "len=%d\n", len);
diff --git a/include/mshtml.idl b/include/mshtml.idl
index 55740a722f1..a66aa741fe2 100644
--- a/include/mshtml.idl
+++ b/include/mshtml.idl
@@ -6174,6 +6174,30 @@ interface IHTMLStyleSheetsCollection : IDispatch
         [retval, out] VARIANT *pvarResult);
 }
 
+/*****************************************************************************
+ *    DispHTMLStyleSheetsCollection dispinterface
+ */
+[
+    hidden,
+    uuid(3050f547-98b5-11cf-bb82-00aa00bdce0b)
+]
+dispinterface DispHTMLStyleSheetsCollection
+{
+properties:
+methods:
+    [propget, id(DISPID_IHTMLSTYLESHEETSCOLLECTION_LENGTH)]
+    long length();
+
+    [propget, id(DISPID_IHTMLSTYLESHEETSCOLLECTION__NEWENUM), hidden, restricted]
+    IUnknown *_newEnum();
+
+    [id(DISPID_IHTMLSTYLESHEETSCOLLECTION_ITEM)]
+    VARIANT item([in] VARIANT *pvarIndex);
+
+    [propget, id(DISPID_IHTMLDOMCONSTRUCTOR_CONSTRUCTOR), hidden]
+    IDispatch *constructor();
+}
+
 /*****************************************************************************
  *    IHTMLTxtRange interface
  */