diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index abe7995d616..6346dac54a0 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -193,6 +193,7 @@ typedef struct event_target_t event_target_t;
     XIID(IHTMLTextAreaElement) \
     XIID(IHTMLTextContainer) \
     XIID(IHTMLTitleElement) \
+    XIID(IHTMLTxtRange) \
     XIID(IHTMLUniqueName) \
     XIID(IHTMLWindow2) \
     XIID(IHTMLWindow3) \
diff --git a/dlls/mshtml/tests/dom.c b/dlls/mshtml/tests/dom.c
index f0f03b81aef..c4766dc9b3d 100644
--- a/dlls/mshtml/tests/dom.c
+++ b/dlls/mshtml/tests/dom.c
@@ -4827,6 +4827,8 @@ static void test_txtrange(IHTMLDocument2 *doc)
 
     body_range = test_create_body_range(doc);
 
+    test_disp((IUnknown*)body_range, &IID_IHTMLTxtRange, "[object]");
+
     test_range_text(body_range, "test abc 123\r\nit's text");
 
     hres = IHTMLTxtRange_duplicate(body_range, &range);
diff --git a/dlls/mshtml/txtrange.c b/dlls/mshtml/txtrange.c
index e88d9604445..6b57eb27178 100644
--- a/dlls/mshtml/txtrange.c
+++ b/dlls/mshtml/txtrange.c
@@ -36,6 +36,7 @@ static const WCHAR brW[] = {'b','r',0};
 static const WCHAR hrW[] = {'h','r',0};
 
 typedef struct {
+    DispatchEx dispex;
     IHTMLTxtRange     IHTMLTxtRange_iface;
     IOleCommandTarget IOleCommandTarget_iface;
 
@@ -1004,29 +1005,24 @@ static HRESULT WINAPI HTMLTxtRange_QueryInterface(IHTMLTxtRange *iface, REFIID r
 {
     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 
-    *ppv = NULL;
+    TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
 
     if(IsEqualGUID(&IID_IUnknown, riid)) {
-        TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
-        *ppv = &This->IHTMLTxtRange_iface;
-    }else if(IsEqualGUID(&IID_IDispatch, riid)) {
-        TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
         *ppv = &This->IHTMLTxtRange_iface;
     }else if(IsEqualGUID(&IID_IHTMLTxtRange, riid)) {
-        TRACE("(%p)->(IID_IHTMLTxtRange %p)\n", This, ppv);
         *ppv = &This->IHTMLTxtRange_iface;
     }else if(IsEqualGUID(&IID_IOleCommandTarget, riid)) {
-        TRACE("(%p)->(IID_IOleCommandTarget %p)\n", This, ppv);
         *ppv = &This->IOleCommandTarget_iface;
+    }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
+        return *ppv ? S_OK : E_NOINTERFACE;
+    }else {
+        *ppv = NULL;
+        WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
+        return E_NOINTERFACE;
     }
 
-    if(*ppv) {
-        IUnknown_AddRef((IUnknown*)*ppv);
-        return S_OK;
-    }
-
-    WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
-    return E_NOINTERFACE;
+    IUnknown_AddRef((IUnknown*)*ppv);
+    return S_OK;
 }
 
 static ULONG WINAPI HTMLTxtRange_AddRef(IHTMLTxtRange *iface)
@@ -1051,6 +1047,7 @@ static ULONG WINAPI HTMLTxtRange_Release(IHTMLTxtRange *iface)
             nsIDOMRange_Release(This->nsrange);
         if(This->doc)
             list_remove(&This->entry);
+        release_dispex(&This->dispex);
         heap_free(This);
     }
 
@@ -1060,16 +1057,16 @@ static ULONG WINAPI HTMLTxtRange_Release(IHTMLTxtRange *iface)
 static HRESULT WINAPI HTMLTxtRange_GetTypeInfoCount(IHTMLTxtRange *iface, UINT *pctinfo)
 {
     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
-    FIXME("(%p)->(%p)\n", This, pctinfo);
-    return E_NOTIMPL;
+
+    return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
 }
 
 static HRESULT WINAPI HTMLTxtRange_GetTypeInfo(IHTMLTxtRange *iface, UINT iTInfo,
                                                LCID lcid, ITypeInfo **ppTInfo)
 {
     HTMLTxtRange *This = impl_from_IHTMLTxtRange(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 HTMLTxtRange_GetIDsOfNames(IHTMLTxtRange *iface, REFIID riid,
@@ -1077,9 +1074,9 @@ static HRESULT WINAPI HTMLTxtRange_GetIDsOfNames(IHTMLTxtRange *iface, REFIID ri
                                                  LCID lcid, DISPID *rgDispId)
 {
     HTMLTxtRange *This = impl_from_IHTMLTxtRange(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 HTMLTxtRange_Invoke(IHTMLTxtRange *iface, DISPID dispIdMember,
@@ -1087,9 +1084,9 @@ static HRESULT WINAPI HTMLTxtRange_Invoke(IHTMLTxtRange *iface, DISPID dispIdMem
                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 {
     HTMLTxtRange *This = impl_from_IHTMLTxtRange(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 HTMLTxtRange_get_htmlText(IHTMLTxtRange *iface, BSTR *p)
@@ -1850,6 +1847,17 @@ static const IOleCommandTargetVtbl OleCommandTargetVtbl = {
     RangeCommandTarget_Exec
 };
 
+static const tid_t HTMLTxtRange_iface_tids[] = {
+    IHTMLTxtRange_tid,
+    0
+};
+static dispex_static_data_t HTMLTxtRange_dispex = {
+    NULL,
+    IHTMLTxtRange_tid,
+    NULL,
+    HTMLTxtRange_iface_tids
+};
+
 HRESULT HTMLTxtRange_Create(HTMLDocumentNode *doc, nsIDOMRange *nsrange, IHTMLTxtRange **p)
 {
     HTMLTxtRange *ret;
@@ -1858,6 +1866,8 @@ HRESULT HTMLTxtRange_Create(HTMLDocumentNode *doc, nsIDOMRange *nsrange, IHTMLTx
     if(!ret)
         return E_OUTOFMEMORY;
 
+    init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLTxtRange_iface, &HTMLTxtRange_dispex);
+
     ret->IHTMLTxtRange_iface.lpVtbl = &HTMLTxtRangeVtbl;
     ret->IOleCommandTarget_iface.lpVtbl = &OleCommandTargetVtbl;
     ret->ref = 1;