Index: trunk/Ohana/src/opihi/cmd.data/save.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/save.c	(revision 5846)
+++ trunk/Ohana/src/opihi/cmd.data/save.c	(revision 7917)
@@ -21,6 +21,6 @@
 
   if (argc != 3) {
-    fprintf (stderr, "USAGE: save (overlay) <filename> [-c]\n");
-    fprintf (stderr, "  -c: write contour in celestial coords\n");
+    gprint (GP_ERR, "USAGE: save (overlay) <filename> [-c]\n");
+    gprint (GP_ERR, "  -c: write contour in celestial coords\n");
     return (FALSE);
   }