diff --git a/dlls/mshtml/htmlinput.c b/dlls/mshtml/htmlinput.c
index 5674b0b2519..92a1f48541a 100644
--- a/dlls/mshtml/htmlinput.c
+++ b/dlls/mshtml/htmlinput.c
@@ -70,16 +70,16 @@ static ULONG WINAPI HTMLInputElement_Release(IHTMLInputElement *iface)
 static HRESULT WINAPI HTMLInputElement_GetTypeInfoCount(IHTMLInputElement *iface, UINT *pctinfo)
 {
     HTMLInputElement *This = HTMLINPUT_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, pctinfo);
-    return E_NOTIMPL;
+
+    return IDispatchEx_GetTypeInfoCount(DISPATCHEX(&This->element.node.dispex), pctinfo);
 }
 
 static HRESULT WINAPI HTMLInputElement_GetTypeInfo(IHTMLInputElement *iface, UINT iTInfo,
                                               LCID lcid, ITypeInfo **ppTInfo)
 {
     HTMLInputElement *This = HTMLINPUT_THIS(iface);
-    FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
-    return E_NOTIMPL;
+
+    return IDispatchEx_GetTypeInfo(DISPATCHEX(&This->element.node.dispex), iTInfo, lcid, ppTInfo);
 }
 
 static HRESULT WINAPI HTMLInputElement_GetIDsOfNames(IHTMLInputElement *iface, REFIID riid,
@@ -87,9 +87,9 @@ static HRESULT WINAPI HTMLInputElement_GetIDsOfNames(IHTMLInputElement *iface, R
                                                 LCID lcid, DISPID *rgDispId)
 {
     HTMLInputElement *This = HTMLINPUT_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->element.node.dispex), riid, rgszNames,
+            cNames, lcid, rgDispId);
 }
 
 static HRESULT WINAPI HTMLInputElement_Invoke(IHTMLInputElement *iface, DISPID dispIdMember,
@@ -97,9 +97,9 @@ static HRESULT WINAPI HTMLInputElement_Invoke(IHTMLInputElement *iface, DISPID d
                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 {
     HTMLInputElement *This = HTMLINPUT_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->element.node.dispex), dispIdMember, riid, lcid, wFlags,
+            pDispParams, pVarResult, pExcepInfo, puArgErr);
 }
 
 static HRESULT WINAPI HTMLInputElement_put_type(IHTMLInputElement *iface, BSTR v)