diff --git a/include/wx/font.h b/include/wx/font.h
index 80928bd5dc..68799b2c5b 100644
--- a/include/wx/font.h
+++ b/include/wx/font.h
@@ -183,7 +183,7 @@ public:
     wxString GetWeightString() const;
 
     // Unofficial API, don't use
-    virtual void SetNoAntiAliasing( bool no = TRUE ) {  }
+    virtual void SetNoAntiAliasing( bool WXUNUSED(no) = TRUE ) {  }
     virtual bool GetNoAntiAliasing() { return FALSE; }
 
     // the default encoding is used for creating all fonts with default