diff --git a/src/Query/QueryProcessor.php b/src/Query/QueryProcessor.php
index f9197cd..43d9e76 100644
--- a/src/Query/QueryProcessor.php
+++ b/src/Query/QueryProcessor.php
@@ -106,7 +106,7 @@ public function process(
                 DebugFlag::INCLUDE_DEBUG_MESSAGE : 0
         );
 
-        $this->response->setHeader('Query-Complexity', $queryComplexity->getQueryComplexity(), true);
+        $this->response->setHeader('Query-Complexity', $queryComplexity->getMaxQueryComplexity(), true);
 
         return $result;
     }