diff --git a/src/sys/graphics/main.cpp b/src/sys/graphics/main.cpp
index 119759b..79083b7 100755
--- a/src/sys/graphics/main.cpp
+++ b/src/sys/graphics/main.cpp
@@ -13,9 +13,9 @@
   buf = new TGfx0();
   pixfmt.BPP=8;
   buf->create(400,400,(TPixelFmt *)&def_pixfmt_16bpp);
-  cout << def_pixfmt_16bpp.BPP << endl;
-  cout << buf->BPP << endl;
-  cout << buf->RedShifter << endl;
+  cout << (int)def_pixfmt_16bpp.BPP << endl;
+  cout << (int)buf->BPP << endl;
+  cout << (int)buf->RedShifter << endl;
   if (buf) delete buf;
   return(0);
 }