diff --git a/include/template.class.php b/include/template.class.php
index 555c132dc..baf108ab6 100644
--- a/include/template.class.php
+++ b/include/template.class.php
@@ -116,6 +116,7 @@ class Template
     $this->smarty->registerPlugin('modifier', 'stripslashes', 'stripslashes');
     $this->smarty->registerPlugin('modifier', 'in_array', 'in_array');
     $this->smarty->registerPlugin('modifier', 'ucfirst', 'ucfirst');
+    $this->smarty->registerPlugin('modifier', 'strstr', 'strstr');
     $this->smarty->registerPlugin('modifier', 'explode', array('Template', 'mod_explode') );
     $this->smarty->registerPlugin('modifier', 'ternary', array('Template', 'mod_ternary') );
     $this->smarty->registerPlugin('modifier', 'get_extent', array($this, 'get_extent') );