diff --git a/bazaar/Controls4U/PainterCanvas.h b/bazaar/Controls4U/PainterCanvas.h
index fcf0a4081..9f94792ed 100644
--- a/bazaar/Controls4U/PainterCanvas.h
+++ b/bazaar/Controls4U/PainterCanvas.h
@@ -1,6 +1,7 @@
 #ifndef _Controls4U_PainterCanvas_h_
 #define _Controls4U_PainterCanvas_h_
 
+using namespace Upp;
 
 class Svg2DTransform {
 public: