Index: trunk/Ohana/src/opihi/cmd.astro/mkgauss.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.astro/mkgauss.c	(revision 2843)
+++ trunk/Ohana/src/opihi/cmd.astro/mkgauss.c	(revision 7917)
@@ -21,5 +21,5 @@
 
   if ((argc < 3) || (argc > 5)) {
-    fprintf (stderr, "USAGE: mkgauss (buffer) (sigma) [[sy/sx] angle]\n");
+    gprint (GP_ERR, "USAGE: mkgauss (buffer) (sigma) [[sy/sx] angle]\n");
     return (FALSE);
   }