diff --git a/src/Filters/CorsFilter.php b/src/Filters/CorsFilter.php
index a1dbe33..0468116 100644
--- a/src/Filters/CorsFilter.php
+++ b/src/Filters/CorsFilter.php
@@ -44,7 +44,7 @@ public function before(RequestInterface $request, $arguments = null)
      */
     public function after(RequestInterface $request, ResponseInterface $response, $arguments = null)
     {
-        if ($request->getMethod(true) === 'OPTIONS') {
+        if ($request->getMethod() == 'options') {
             $response = $this->cors->varyHeader($response, 'Access-Control-Request-Method');
         }