diff --git a/dlls/mshtml/dispex.c b/dlls/mshtml/dispex.c
index de478f3be42..f434545e8f5 100644
--- a/dlls/mshtml/dispex.c
+++ b/dlls/mshtml/dispex.c
@@ -1767,7 +1767,7 @@ void dispex_unlink(DispatchEx *This)
     }
 }
 
-const dispex_static_data_vtbl_t *dispex_get_vtbl(DispatchEx *dispex)
+const void *dispex_get_vtbl(DispatchEx *dispex)
 {
     return dispex->info->desc->vtbl;
 }
diff --git a/dlls/mshtml/htmldoc.c b/dlls/mshtml/htmldoc.c
index c6bc7ac2dd4..fc2d6767471 100644
--- a/dlls/mshtml/htmldoc.c
+++ b/dlls/mshtml/htmldoc.c
@@ -5024,18 +5024,20 @@ static compat_mode_t HTMLDocumentNode_get_compat_mode(DispatchEx *dispex)
     return This->document_mode;
 }
 
-static void HTMLDocumentNode_bind_event(DispatchEx *dispex, int eid)
+static void HTMLDocumentNode_bind_event(DispatchEx *dispex, eventid_t eid)
 {
     HTMLDocumentNode *This = impl_from_DispatchEx(dispex);
     ensure_doc_nsevent_handler(This, eid);
 }
 
-static const dispex_static_data_vtbl_t HTMLDocumentNode_dispex_vtbl = {
-    NULL,
-    NULL,
-    HTMLDocumentNode_invoke,
-    HTMLDocumentNode_get_compat_mode,
-    NULL,
+static const event_target_vtbl_t HTMLDocumentNode_event_target_vtbl = {
+    {
+        NULL,
+        NULL,
+        HTMLDocumentNode_invoke,
+        HTMLDocumentNode_get_compat_mode,
+        NULL
+    },
     HTMLDocumentNode_bind_event
 };
 
@@ -5076,7 +5078,7 @@ static void HTMLDocumentNode_init_dispex_info(dispex_data_t *info, compat_mode_t
 }
 
 static dispex_static_data_t HTMLDocumentNode_dispex = {
-    &HTMLDocumentNode_dispex_vtbl,
+    &HTMLDocumentNode_event_target_vtbl.dispex_vtbl,
     DispHTMLDocument_tid,
     HTMLDocumentNode_iface_tids,
     HTMLDocumentNode_init_dispex_info
diff --git a/dlls/mshtml/htmlelem.c b/dlls/mshtml/htmlelem.c
index 9cf143d67b4..3cd85e64ccb 100644
--- a/dlls/mshtml/htmlelem.c
+++ b/dlls/mshtml/htmlelem.c
@@ -5332,7 +5332,7 @@ static HRESULT HTMLElement_populate_props(DispatchEx *dispex)
     return S_OK;
 }
 
-static void HTMLElement_bind_event(DispatchEx *dispex, int eid)
+static void HTMLElement_bind_event(DispatchEx *dispex, eventid_t eid)
 {
     HTMLElement *This = impl_from_DispatchEx(dispex);
 
@@ -5343,7 +5343,7 @@ static void HTMLElement_bind_event(DispatchEx *dispex, int eid)
         add_nsevent_listener(This->node.doc, This->node.nsnode, loadW);
         return;
     default:
-        dispex_get_vtbl(&This->node.doc->node.event_target.dispex)->bind_event(&This->node.doc->node.event_target.dispex, eid);
+        ensure_doc_nsevent_handler(This->node.doc, eid);
     }
 }
 
@@ -5369,17 +5369,19 @@ static const tid_t HTMLElement_iface_tids[] = {
     0
 };
 
-static dispex_static_data_vtbl_t HTMLElement_dispex_vtbl = {
-    NULL,
-    HTMLElement_get_dispid,
-    HTMLElement_invoke,
-    NULL,
-    HTMLElement_populate_props,
+static event_target_vtbl_t HTMLElement_event_target_vtbl = {
+    {
+        NULL,
+        HTMLElement_get_dispid,
+        HTMLElement_invoke,
+        NULL,
+        HTMLElement_populate_props
+    },
     HTMLElement_bind_event
 };
 
 static dispex_static_data_t HTMLElement_dispex = {
-    &HTMLElement_dispex_vtbl,
+    &HTMLElement_event_target_vtbl.dispex_vtbl,
     DispHTMLUnknownElement_tid,
     HTMLElement_iface_tids,
     HTMLElement_init_dispex_info
@@ -5398,7 +5400,7 @@ void HTMLElement_Init(HTMLElement *This, HTMLDocumentNode *doc, nsIDOMHTMLElemen
     This->IProvideMultipleClassInfo_iface.lpVtbl = &ProvideMultipleClassInfoVtbl;
 
     if(dispex_data && !dispex_data->vtbl)
-        dispex_data->vtbl = &HTMLElement_dispex_vtbl;
+        dispex_data->vtbl = &HTMLElement_event_target_vtbl.dispex_vtbl;
 
     if(nselem) {
         HTMLDOMNode_Init(doc, &This->node, (nsIDOMNode*)nselem, dispex_data ? dispex_data : &HTMLElement_dispex);
diff --git a/dlls/mshtml/htmlevent.c b/dlls/mshtml/htmlevent.c
index 1c27c13c8c4..1e72220205e 100644
--- a/dlls/mshtml/htmlevent.c
+++ b/dlls/mshtml/htmlevent.c
@@ -843,7 +843,7 @@ HRESULT create_event_obj(IHTMLEventObj **ret)
 
 static handler_vector_t *get_handler_vector(EventTarget *event_target, eventid_t eid, BOOL alloc)
 {
-    const dispex_static_data_vtbl_t *vtbl;
+    const event_target_vtbl_t *vtbl;
     handler_vector_t *handler_vector;
     struct wine_rb_entry *entry;
 
diff --git a/dlls/mshtml/htmlevent.h b/dlls/mshtml/htmlevent.h
index eda6013ec74..7da2f5b390d 100644
--- a/dlls/mshtml/htmlevent.h
+++ b/dlls/mshtml/htmlevent.h
@@ -79,6 +79,12 @@ void release_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 void add_nsevent_listener(HTMLDocumentNode*,nsIDOMNode*,LPCWSTR) DECLSPEC_HIDDEN;
 void detach_nsevent(HTMLDocumentNode*,const WCHAR*) DECLSPEC_HIDDEN;
 
+/* We extend dispex vtbl for EventTarget functions to avoid separated vtbl. */
+typedef struct {
+    dispex_static_data_vtbl_t dispex_vtbl;
+    void (*bind_event)(DispatchEx*,eventid_t);
+} event_target_vtbl_t;
+
 static inline EventTarget *get_node_event_prop_target(HTMLDOMNode *node, eventid_t eid)
 {
     return node->vtbl->get_event_prop_target ? node->vtbl->get_event_prop_target(node, eid) : &node->event_target;
diff --git a/dlls/mshtml/htmlwindow.c b/dlls/mshtml/htmlwindow.c
index 13963da44e8..2999ef0ec7d 100644
--- a/dlls/mshtml/htmlwindow.c
+++ b/dlls/mshtml/htmlwindow.c
@@ -2995,10 +2995,10 @@ static HRESULT HTMLWindow_invoke(DispatchEx *dispex, DISPID id, LCID lcid, WORD
     return hres;
 }
 
-static void HTMLWindow_bind_event(DispatchEx *dispex, int eid)
+static void HTMLWindow_bind_event(DispatchEx *dispex, eventid_t eid)
 {
     HTMLInnerWindow *This = impl_from_DispatchEx(dispex);
-    dispex_get_vtbl(&This->doc->node.event_target.dispex)->bind_event(&This->doc->node.event_target.dispex, eid);
+    ensure_doc_nsevent_handler(This->doc, eid);
 }
 
 static void HTMLWindow_init_dispex_info(dispex_data_t *info, compat_mode_t compat_mode)
@@ -3006,12 +3006,14 @@ static void HTMLWindow_init_dispex_info(dispex_data_t *info, compat_mode_t compa
     dispex_info_add_interface(info, IHTMLWindow5_tid, NULL);
 }
 
-static const dispex_static_data_vtbl_t HTMLWindow_dispex_vtbl = {
-    NULL,
-    NULL,
-    HTMLWindow_invoke,
-    NULL,
-    NULL,
+static const event_target_vtbl_t HTMLWindow_event_target_vtbl = {
+    {
+        NULL,
+        NULL,
+        HTMLWindow_invoke,
+        NULL,
+        NULL
+    },
     HTMLWindow_bind_event
 };
 
@@ -3024,7 +3026,7 @@ static const tid_t HTMLWindow_iface_tids[] = {
 };
 
 static dispex_static_data_t HTMLWindow_dispex = {
-    &HTMLWindow_dispex_vtbl,
+    &HTMLWindow_event_target_vtbl.dispex_vtbl,
     DispHTMLWindow2_tid,
     HTMLWindow_iface_tids,
     HTMLWindow_init_dispex_info
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index ae2f6cb1a93..93d3ff75a65 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -270,8 +270,6 @@ typedef struct {
     HRESULT (*invoke)(DispatchEx*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
     compat_mode_t (*get_compat_mode)(DispatchEx*);
     HRESULT (*populate_props)(DispatchEx*);
-    /* We abuse this vtbl for EventTarget functions to avoid separated vtbl. */
-    void (*bind_event)(DispatchEx*,int);
 } dispex_static_data_vtbl_t;
 
 typedef struct {
@@ -330,7 +328,7 @@ void dispex_traverse(DispatchEx*,nsCycleCollectionTraversalCallback*) DECLSPEC_H
 void dispex_unlink(DispatchEx*) DECLSPEC_HIDDEN;
 void release_typelib(void) DECLSPEC_HIDDEN;
 HRESULT get_class_typeinfo(const CLSID*,ITypeInfo**) DECLSPEC_HIDDEN;
-const dispex_static_data_vtbl_t *dispex_get_vtbl(DispatchEx*) DECLSPEC_HIDDEN;
+const void *dispex_get_vtbl(DispatchEx*) DECLSPEC_HIDDEN;
 void dispex_info_add_interface(dispex_data_t*,tid_t,const DISPID*) DECLSPEC_HIDDEN;
 compat_mode_t dispex_compat_mode(DispatchEx*) DECLSPEC_HIDDEN;
 
diff --git a/dlls/mshtml/xmlhttprequest.c b/dlls/mshtml/xmlhttprequest.c
index f868c3a242d..0b02a2c1c90 100644
--- a/dlls/mshtml/xmlhttprequest.c
+++ b/dlls/mshtml/xmlhttprequest.c
@@ -733,7 +733,7 @@ static inline HTMLXMLHttpRequest *impl_from_DispatchEx(DispatchEx *iface)
     return CONTAINING_RECORD(iface, HTMLXMLHttpRequest, event_target.dispex);
 }
 
-static void HTMLXMLHttpRequest_bind_event(DispatchEx *dispex, int eid)
+static void HTMLXMLHttpRequest_bind_event(DispatchEx *dispex, eventid_t eid)
 {
     HTMLXMLHttpRequest *This = impl_from_DispatchEx(dispex);
     nsIDOMEventTarget *nstarget;
@@ -768,12 +768,8 @@ static void HTMLXMLHttpRequest_bind_event(DispatchEx *dispex, int eid)
         ERR("AddEventListener failed: %08x\n", nsres);
 }
 
-static dispex_static_data_vtbl_t HTMLXMLHttpRequest_dispex_vtbl = {
-    NULL,
-    NULL,
-    NULL,
-    NULL,
-    NULL,
+static event_target_vtbl_t HTMLXMLHttpRequest_event_target_vtbl = {
+    {NULL},
     HTMLXMLHttpRequest_bind_event
 };
 
@@ -782,7 +778,7 @@ static const tid_t HTMLXMLHttpRequest_iface_tids[] = {
     0
 };
 static dispex_static_data_t HTMLXMLHttpRequest_dispex = {
-    &HTMLXMLHttpRequest_dispex_vtbl,
+    &HTMLXMLHttpRequest_event_target_vtbl.dispex_vtbl,
     DispHTMLXMLHttpRequest_tid,
     HTMLXMLHttpRequest_iface_tids
 };