diff -Nru zabbix-2.5.0.orig/frontends/php/include/defines.inc.php zabbix-2.5.0/frontends/php/include/defines.inc.php
--- zabbix-2.5.0.orig/frontends/php/include/defines.inc.php	2015-08-19 17:27:39.000000000 +0900
+++ zabbix-2.5.0/frontends/php/include/defines.inc.php	2015-08-22 15:20:12.000000000 +0900
@@ -51,7 +51,7 @@
 define('ZBX_WIDGET_ROWS', 20);
 
 define('ZBX_FONTPATH',				realpath('fonts')); // where to search for font (GD > 2.0.18)
-define('ZBX_GRAPH_FONT_NAME',		'DejaVuSans'); // font file name
+define('ZBX_GRAPH_FONT_NAME',		'graphfont'); // font file name
 define('ZBX_GRAPH_LEGEND_HEIGHT',	120); // when graph height is less then this value, some legend will not show up
 
 define('ZBX_SCRIPT_TIMEOUT',		60); // in seconds
@@ -96,7 +96,7 @@
 define('ZBX_ACK_STS_WITH_UNACK',		2);
 define('ZBX_ACK_STS_WITH_LAST_UNACK',	3);
 
-define('ZBX_FONT_NAME', 'DejaVuSans');
+define('ZBX_FONT_NAME', 'graphfont');
 
 define('ZBX_AUTH_INTERNAL',	0);
 define('ZBX_AUTH_LDAP',		1);