diff --git a/include/wx/propgrid/property.h b/include/wx/propgrid/property.h
index 4d3b6f002f..46591191d6 100644
--- a/include/wx/propgrid/property.h
+++ b/include/wx/propgrid/property.h
@@ -677,6 +677,7 @@ public:
 private:
     wxVector<wxPGChoiceEntry>   m_items;
 
+protected:
     virtual ~wxPGChoicesData();
 };
 
diff --git a/interface/wx/propgrid/property.h b/interface/wx/propgrid/property.h
index 1614173cf0..b281e43175 100644
--- a/interface/wx/propgrid/property.h
+++ b/interface/wx/propgrid/property.h
@@ -2480,6 +2480,9 @@ public:
 
     const wxPGChoiceEntry& Item( unsigned int i ) const;
     wxPGChoiceEntry& Item( unsigned int i );
+
+protected:
+    virtual ~wxPGChoicesData();
 };
 
 #define wxPGChoicesEmptyData    ((wxPGChoicesData*)NULL)