diff --git a/include/wx/valgen.h b/include/wx/valgen.h
index 1dbcdb62ec..6e2e80b20b 100644
--- a/include/wx/valgen.h
+++ b/include/wx/valgen.h
@@ -22,6 +22,7 @@
 
 class WXDLLEXPORT wxGenericValidator: public wxValidator
 {
+DECLARE_CLASS(wxGenericValidator)
 public:
   wxGenericValidator(bool* val);
   wxGenericValidator(int* val);
diff --git a/src/common/valgen.cpp b/src/common/valgen.cpp
index d6fc453323..b4814ac7b0 100644
--- a/src/common/valgen.cpp
+++ b/src/common/valgen.cpp
@@ -56,6 +56,8 @@
 
 #include "wx/valgen.h"
 
+IMPLEMENT_CLASS(wxGenericValidator, wxValidator)
+
 wxGenericValidator::wxGenericValidator(bool *val)
 {
     Initialize();