diff --git a/framework/core/src/Api/Controller/UninstallExtensionController.php b/framework/core/src/Api/Controller/UninstallExtensionController.php
index 703c517f3..3b7082817 100644
--- a/framework/core/src/Api/Controller/UninstallExtensionController.php
+++ b/framework/core/src/Api/Controller/UninstallExtensionController.php
@@ -35,7 +35,7 @@ class UninstallExtensionController extends AbstractDeleteController
     {
         $this->assertAdmin($request->getAttribute('actor'));
 
-        $name = array_get($request->getParsedBody(), 'name');
+        $name = array_get($request->getQueryParams(), 'name');
 
         $this->extensions->disable($name);
         $this->extensions->uninstall($name);