diff --git a/htdocs/admin/syslog.php b/htdocs/admin/syslog.php
index e8436730ebe..13705e82e9f 100644
--- a/htdocs/admin/syslog.php
+++ b/htdocs/admin/syslog.php
@@ -193,17 +193,20 @@ print '</td></tr>';
 try
 {
     set_include_path('/usr/share/php/');
-    @require_once('FirePHPCore/FirePHP.class.php');
+    $res=@include_once('FirePHPCore/FirePHP.class.php');
     restore_include_path();
-    $var=!$var;
-    print '<tr '.$bc[$var].'><td width="140"><input '.$bc[$var].' type="checkbox" name="SYSLOG_FIREPHP_ON" '.$option.' value="1" ';
-    if (! class_exists('FirePHP')) print ' disabled="disabled"';
-    else print ($syslog_firephp_on?' checked="checked"':"");
-    print '> '.$langs->trans("FirePHP").'</td>';
-    print '<td width="250" nowrap="nowrap">';
-    print '</td>';
-    print "<td align=\"left\">".$form->textwithpicto('','FirePHP must be installed onto PHP and FirePHP plugin for Firefox must also be installed');
-    print '</td></tr>';
+    if ($res)
+    {
+        $var=!$var;
+        print '<tr '.$bc[$var].'><td width="140"><input '.$bc[$var].' type="checkbox" name="SYSLOG_FIREPHP_ON" '.$option.' value="1" ';
+        if (! class_exists('FirePHP')) print ' disabled="disabled"';
+        else print ($syslog_firephp_on?' checked="checked"':"");
+        print '> '.$langs->trans("FirePHP").'</td>';
+        print '<td width="250" nowrap="nowrap">';
+        print '</td>';
+        print "<td align=\"left\">".$form->textwithpicto('','FirePHP must be installed onto PHP and FirePHP plugin for Firefox must also be installed');
+        print '</td></tr>';
+    }
 }
 catch(Exception $e)
 {
@@ -246,7 +249,8 @@ print "</form>\n";
 
 dol_htmloutput_mesg($mesg);
 
-$db->close();
 
 llxFooter();
+
+$db->close();
 ?>