diff --git a/src/Messaging/PayloadConstructable.php b/src/Messaging/PayloadConstructable.php
index 6c9d33f..dcb50d4 100644
--- a/src/Messaging/PayloadConstructable.php
+++ b/src/Messaging/PayloadConstructable.php
@@ -14,5 +14,5 @@
 
 interface PayloadConstructable
 {
-    public function __construct(array $payload);
+    public function __construct(array $payload = []);
 }
diff --git a/src/Messaging/PayloadTrait.php b/src/Messaging/PayloadTrait.php
index e540b5a..bc2bb2b 100644
--- a/src/Messaging/PayloadTrait.php
+++ b/src/Messaging/PayloadTrait.php
@@ -24,7 +24,7 @@ trait PayloadTrait
      */
     protected $payload;
 
-    public function __construct(array $payload)
+    public function __construct(array $payload = [])
     {
         $this->init();
         $this->setPayload($payload);