diff --git a/Source/Response/Response.php b/Source/Response/Response.php
index 432f225..1f01e23 100644
--- a/Source/Response/Response.php
+++ b/Source/Response/Response.php
@@ -749,7 +749,9 @@ public function getHash(): ?string
      */
     public function __destruct()
     {
-        $last = current(self::$_stack);
+        if (false === $last = current(self::$_stack)) {
+            return;
+        }
 
         if ($this->getHash() != $last[0]) {
             return;