diff --git a/src/sys/graphics/main.cpp b/src/sys/graphics/main.cpp
index 2ec0d92..564622a 100755
--- a/src/sys/graphics/main.cpp
+++ b/src/sys/graphics/main.cpp
@@ -19,7 +19,7 @@
   buf->create(400,400,(TPixelFmt *)&def_pixfmt_8bpp);
   buf2->create(400,400,(TPixelFmt *)&def_pixfmt_8bpp);
   buf->flip(buf2);
-  foo=buf->RGB(0,10,0);
+  foo=buf->RGB(0,0,0);
   printf("%d\n",(int)foo);
   if (buf) delete buf;
   return(0);