diff --git a/interface/wx/listbox.h b/interface/wx/listbox.h
index 3e6aaea10a..ad1cee2a52 100644
--- a/interface/wx/listbox.h
+++ b/interface/wx/listbox.h
@@ -350,7 +350,7 @@ public:
 
         @since 3.1.4
      */
-    virtual void MSWSetTabStops(const wxVector<int>& tabStops);
+    virtual bool MSWSetTabStops(const wxVector<int>& tabStops);
 
     // NOTE: Phoenix needs to see the implementation of pure virtuals so it
     // knows that this class is not abstract.