diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index e5c69d29e..b29d40f12 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -6026,6 +6026,19 @@
       <not-uninit/>
     </arg>
   </function>
+  <!-- wxMenuItem* wxMenu::AppendSubMenu(wxMenu * submenu, const wxString & text, const wxString & help = wxEmptyString) -->
+  <function name="wxMenu::AppendSubMenu">
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <returnValue type="wxMenuItem*"/>
+    <arg nr="1" direction="in">
+      <not-null/>
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+    <arg nr="2" direction="in"/>
+    <arg nr="3" direction="in" default="wxEmptyString"/>
+  </function>
   <!-- void wxMenu::Enable(int id, bool enable) -->
   <!-- void wxMenu::Check(int id, bool check) -->
   <function name="wxMenu::Enable,wxMenu::Check">