diff --git a/src/PluginValidate/Requirements/ModuleRequirements.php b/src/PluginValidate/Requirements/ModuleRequirements.php
index a33edbe8..75ba9cbc 100644
--- a/src/PluginValidate/Requirements/ModuleRequirements.php
+++ b/src/PluginValidate/Requirements/ModuleRequirements.php
@@ -28,6 +28,7 @@ public function getRequiredFiles(): array
     {
         return array_merge(parent::getRequiredFiles(), [
             'lib.php',
+            'mod_form.php',
             'view.php',
             'index.php',
             'db/install.xml',