diff --git a/classes/privacy/provider.php b/classes/privacy/provider.php
index c37591e..2de5feb 100644
--- a/classes/privacy/provider.php
+++ b/classes/privacy/provider.php
@@ -39,7 +39,7 @@ class provider implements \core_privacy\local\metadata\null_provider {
      *
      * @return string
      */
-    public static function get_reason() : string {
+    public static function get_reason(): string {
         return 'privacy:metadata';
     }
 }