diff --git a/dlls/mshtml/htmlelem.c b/dlls/mshtml/htmlelem.c
index 3968156c0ed..91e4b6a8562 100644
--- a/dlls/mshtml/htmlelem.c
+++ b/dlls/mshtml/htmlelem.c
@@ -487,8 +487,10 @@ static HRESULT WINAPI HTMLElement_get_onkeydown(IHTMLElement *iface, VARIANT *p)
 static HRESULT WINAPI HTMLElement_put_onkeyup(IHTMLElement *iface, VARIANT v)
 {
     HTMLElement *This = HTMLELEM_THIS(iface);
-    FIXME("(%p)->()\n", This);
-    return E_NOTIMPL;
+
+    TRACE("(%p)->()\n", This);
+
+    return set_node_event(&This->node, EVENTID_KEYUP, &v);
 }
 
 static HRESULT WINAPI HTMLElement_get_onkeyup(IHTMLElement *iface, VARIANT *p)