diff --git a/contrib/include/wx/foldbar/captionbar.h b/contrib/include/wx/foldbar/captionbar.h
index 139045c649..46ed80819f 100644
--- a/contrib/include/wx/foldbar/captionbar.h
+++ b/contrib/include/wx/foldbar/captionbar.h
@@ -249,7 +249,7 @@ public:
 /** Defines an empty captionbar style */
 #define wxEmptyCaptionBarStyle wxCaptionBarStyle()
 
-class wxCaptionBar: public wxWindow
+class WXDLLIMPEXP_FOLDBAR wxCaptionBar: public wxWindow
 {
 private:
     wxString _caption;
diff --git a/contrib/include/wx/foldbar/foldpanelbar.h b/contrib/include/wx/foldbar/foldpanelbar.h
index 9c96adcc28..12586b5d8f 100644
--- a/contrib/include/wx/foldbar/foldpanelbar.h
+++ b/contrib/include/wx/foldbar/foldpanelbar.h
@@ -101,7 +101,7 @@ WX_DEFINE_ARRAY_PTR(wxFoldPanelItem *, wxFoldPanelItemArray);
     expanded state.
 */
 
-class wxFoldPanelBar: public wxPanel
+class WXDLLIMPEXP_FOLDBAR wxFoldPanelBar: public wxPanel
 {
 private:
     DECLARE_CLASS( wxFoldPanelBar )
diff --git a/contrib/include/wx/foldbar/foldpanelitem.h b/contrib/include/wx/foldbar/foldpanelitem.h
index 509898f30b..4891e319e5 100644
--- a/contrib/include/wx/foldbar/foldpanelitem.h
+++ b/contrib/include/wx/foldbar/foldpanelitem.h
@@ -157,7 +157,7 @@ WX_DECLARE_OBJARRAY(wxFoldWindowItem, wxFoldWindowItemArray);
     for receiving of events, and a the rest of the area can be populated by a wxPanel derived class. 
 */
 
-class wxFoldPanelItem: public wxPanel
+class WXDLLIMPEXP_FOLDBAR wxFoldPanelItem: public wxPanel
 {
 private:
     wxCaptionBar *_captionBar;