--- loncom/xml/lonplot.pm	2004/06/28 15:42:49	1.98
+++ loncom/xml/lonplot.pm	2004/06/28 17:02:27	1.99
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Dynamic plot
 #
-# $Id: lonplot.pm,v 1.98 2004/06/28 15:42:49 matthew Exp $
+# $Id: lonplot.pm,v 1.99 2004/06/28 17:02:27 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -43,7 +43,7 @@ BEGIN {
     #
     # Determine the version of GNUPLOT
     $weboutputformat = 'gif';
-    $versionstring = `gnuplot --version`;
+    $versionstring = `gnuplot --version 2>/dev/null`;
     if ($versionstring =~ /^gnuplot 4/) {
         $weboutputformat = 'png';
     }