diff --git a/srcpkgs/wxPython4/patches/nullptr-cast.patch b/srcpkgs/wxPython4/patches/nullptr-cast.patch
new file mode 100644
index 00000000000..d9351c714b4
--- /dev/null
+++ b/srcpkgs/wxPython4/patches/nullptr-cast.patch
@@ -0,0 +1,11 @@
+--- a/sip/cpp/sip_propgridwxPGPropArgCls.cpp
++++ b/sip/cpp/sip_propgridwxPGPropArgCls.cpp
+@@ -317,7 +317,7 @@ static int convertTo_wxPGPropArgCls(PyOb
+             return sipGetState(sipTransferObj);
+         }
+         else if (sipPy == Py_None) {
+-            *sipCppPtr = new wxPGPropArgCls(reinterpret_cast< wxPGProperty * >(NULL));
++            *sipCppPtr = new wxPGPropArgCls(static_cast< wxPGProperty * >(NULL));
+             return sipGetState(sipTransferObj);
+         }
+         else {