diff --git a/include/wx/checkbox.h b/include/wx/checkbox.h
index ac034b8e12..47a4e356d5 100644
--- a/include/wx/checkbox.h
+++ b/include/wx/checkbox.h
@@ -61,7 +61,7 @@ public:
     wxCheckBoxBase() { }
 
     // set/get the checked status of the listbox
-    virtual void SetValue(const bool value) = 0;
+    virtual void SetValue(bool value) = 0;
     virtual bool GetValue() const = 0;
 
     bool IsChecked() const