diff --git a/lib/Util/LoggerInterface.php b/lib/Util/LoggerInterface.php
index bbdfc9299..cf04e1d2b 100644
--- a/lib/Util/LoggerInterface.php
+++ b/lib/Util/LoggerInterface.php
@@ -30,7 +30,7 @@ interface LoggerInterface
      *
      * @param string $message
      * @param array $context
-     * @return null
+     * @return void
      */
     public function error($message, array $context = []);
 }