Index: trunk/Ohana/src/opihi/cmd.data/dot.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/dot.c	(revision 7080)
+++ trunk/Ohana/src/opihi/cmd.data/dot.c	(revision 7917)
@@ -9,5 +9,5 @@
 
   if (argc != 3) {
-    fprintf (stderr, "USAGE: plot <x> <y>\n");
+    gprint (GP_ERR, "USAGE: plot <x> <y>\n");
     return (FALSE);
   }