diff --git a/module/Rest/src/Middleware/CrossDomainMiddleware.php b/module/Rest/src/Middleware/CrossDomainMiddleware.php
index 3019badf..4327df9e 100644
--- a/module/Rest/src/Middleware/CrossDomainMiddleware.php
+++ b/module/Rest/src/Middleware/CrossDomainMiddleware.php
@@ -48,7 +48,7 @@ class CrossDomainMiddleware implements MiddlewareInterface
 
         // Add OPTIONS-specific headers
         foreach ([
-             'Access-Control-Allow-Methods' => 'GET, POST, PUT, DELETE, OPTIONS', // TODO Should be based on path
+             'Access-Control-Allow-Methods' => 'GET,POST,PUT,DELETE,OPTIONS', // TODO Should be based on path
              'Access-Control-Max-Age' => '1000',
              'Access-Control-Allow-Headers' => $request->getHeaderLine('Access-Control-Request-Headers'),
         ] as $key => $value) {