diff --git a/wxPython/src/my_typemaps.i b/wxPython/src/my_typemaps.i
index 52a9103c30..cb5ae174e5 100644
--- a/wxPython/src/my_typemaps.i
+++ b/wxPython/src/my_typemaps.i
@@ -241,6 +241,10 @@
 }
 
 
+//---------------------------------------------------------------------------
+
+%typemap(out) bool "$result = $1 ? Py_True : Py_False; Py_INCREF($result);"
+
 
 //---------------------------------------------------------------------------
 // Typemaps to convert return values that are base class pointers