diff -up zabbix-1.8.4/frontends/php/include/defines.inc.php.f zabbix-1.8.4/frontends/php/include/defines.inc.php
--- zabbix-1.8.4/frontends/php/include/defines.inc.php.f 2011-01-04 20:48:57.000000000 +0100
+++ zabbix-1.8.4/frontends/php/include/defines.inc.php 2011-01-04 20:49:14.000000000 +0100
@@ -35,7 +35,7 @@
define('ZBX_WIDGET_ROWS', 20);
- define('ZBX_FONTPATH', realpath('fonts')); // where to search for font (GD > 2.0.18)
+ define('ZBX_FONTPATH', '/usr/share/fonts/dejavu'); // where to search for font (GD > 2.0.18)
define('ZBX_GRAPH_FONT_NAME', 'DejaVuSans'); // font file name
define('ZBX_GRAPH_LEGEND_HEIGHT',120); // when graph height is less then this value, some legend will not show up