diff --git a/system/src/Grav/Common/HTTP/Client.php b/system/src/Grav/Common/HTTP/Client.php
index 867748f65..cd4f8dbb2 100644
--- a/system/src/Grav/Common/HTTP/Client.php
+++ b/system/src/Grav/Common/HTTP/Client.php
@@ -33,7 +33,7 @@ class Client
         // Use callback if provided
         if ($callback) {
             self::$callback = $callback;
-            $options->setOnProgress([Response::class, 'progress']);
+            $options->setOnProgress([Client::class, 'progress']);
         }
 
         $settings = array_merge($options->toArray(), $overrides);