diff --git a/interface/wx/listctrl.h b/interface/wx/listctrl.h
index f2550038bc..aecce9956f 100644
--- a/interface/wx/listctrl.h
+++ b/interface/wx/listctrl.h
@@ -1372,7 +1372,7 @@ public:
     /**
         The data.
     */
-    long GetData() const;
+    wxUIntPtr GetData() const;
 
     /**
         The image.