diff --git a/classes/Middleware/CspMiddleware.php b/classes/Middleware/CspMiddleware.php
index 8e6ad73..c3c72ff 100644
--- a/classes/Middleware/CspMiddleware.php
+++ b/classes/Middleware/CspMiddleware.php
@@ -40,10 +40,10 @@ class CspMiddleware
         $csp->addDirective('default-src', [])
             ->addDirective('font-src', ['self' => true])
             ->addDirective('style-src', ['self' => true])
-            ->addDirective('form-action', ['self' => true])
             ->addDirective('manifest-src', ['self' => true])
             ->addDirective('base-uri', [])
             ->addDirective('frame-ancestors', [])
+            ->addSource('form-action', '*')
             ->addSource('img-src', '*');
 
         if ($this->config->debug) {