diff --git a/src/SAREhub/Microt/App/Request/ValidationDefinitionHelper.php b/src/SAREhub/Microt/App/Request/ValidationDefinitionHelper.php
index 6f009f1..e87cc6a 100644
--- a/src/SAREhub/Microt/App/Request/ValidationDefinitionHelper.php
+++ b/src/SAREhub/Microt/App/Request/ValidationDefinitionHelper.php
@@ -58,8 +58,8 @@ public static function parsedBody($validator)
     private static function validatorDef($validator)
     {
         if ($validator instanceof Validatable) {
-            return factory(function (Validatable $validator) {
-                return $validator;
+            return factory(function (ValidatorWrapper $wrapper) {
+                return $wrapper->getValidator();
             })->parameter(0, value(ValidatorWrapper::create($validator)));
         }