diff --git a/src/Control/HTTP.php b/src/Control/HTTP.php
index 3ed7d8fae..ee981bc3b 100644
--- a/src/Control/HTTP.php
+++ b/src/Control/HTTP.php
@@ -571,7 +571,7 @@ class HTTP
             ? $response->getBody()
             : $response;
         if ($body) {
-            return sprintf('"%s"', md5($response));
+            return sprintf('"%s"', md5($body));
         }
         return false;
     }