diff --git a/system/twig.php b/system/twig.php
index 34e65a2d..8d8790d3 100644
--- a/system/twig.php
+++ b/system/twig.php
@@ -38,6 +38,11 @@ $twig->addFunction($function);
 
 $function = new Twig_SimpleFunction('hook', function ($hook) {
 	global $hooks;
+
+	if(is_string($hook)) {
+		$hook = constant($hook);
+	}
+
 	$hooks->trigger($hook);
 });
 $twig->addFunction($function);
@@ -51,4 +56,4 @@ $filter = new Twig_SimpleFilter('urlencode', function ($s) {
 	return urlencode($s);
 });
 $twig->addFilter($filter);
-unset($function, $filter);
\ No newline at end of file
+unset($function, $filter);