diff --git a/selectize.install b/selectize.install
index d109e79..e5e0344 100644
--- a/selectize.install
+++ b/selectize.install
@@ -11,6 +11,7 @@ function selectize_requirements($phase) {
   $requirements = array();
 
   if ($phase == 'install' || $phase == 'runtime') {
+    module_load_include('module', 'libraries');
     $t = get_t();
     $exists = file_exists(libraries_get_path('selectize') . '/dist/js/selectize.min.js');