diff --git a/src/Models/DeveloperLog.php b/src/Models/DeveloperLog.php
index 6eef364..368aaff 100644
--- a/src/Models/DeveloperLog.php
+++ b/src/Models/DeveloperLog.php
@@ -71,7 +71,7 @@ public static function makeFromDevLog(DevLogDto $log): self
         ]);
     }
 
-    public static function makeFromException(Throwable $throwable, JsonSerializable $payload = null): self
+    public static function makeFromException(Throwable $throwable, ?JsonSerializable $payload = null): self
     {
         return new static([
             'uuid' => (string) Str::uuid(),