diff --git a/GuardHelpers.php b/GuardHelpers.php
index fb9267ca1..4d5328c6b 100644
--- a/GuardHelpers.php
+++ b/GuardHelpers.php
@@ -73,7 +73,7 @@ public function guest()
     /**
      * Get the ID for the currently authenticated user.
      *
-     * @return int|null
+     * @return int|string|null
      */
     public function id()
     {
diff --git a/SessionGuard.php b/SessionGuard.php
index 8cc646ec6..109528b7e 100644
--- a/SessionGuard.php
+++ b/SessionGuard.php
@@ -199,7 +199,7 @@ protected function recaller()
     /**
      * Get the ID for the currently authenticated user.
      *
-     * @return int|null
+     * @return int|string|null
      */
     public function id()
     {