diff --git a/usr/local/www/graph.php b/usr/local/www/graph.php
index 7c8e8ea9f9..b48eaf23b3 100755
--- a/usr/local/www/graph.php
+++ b/usr/local/www/graph.php
@@ -37,6 +37,7 @@
 ##|-PRIV
 
 require("guiconfig.inc");
+require("globals.inc");
 
 header("Last-Modified: " . gmdate( "D, j M Y H:i:s" ) . " GMT" );
 header("Expires: " . gmdate( "D, j M Y H:i:s", time() ) . " GMT" );