diff --git a/RouteDescriber/FosRestDescriber.php b/RouteDescriber/FosRestDescriber.php
index 7f69c96..cf0ea50 100644
--- a/RouteDescriber/FosRestDescriber.php
+++ b/RouteDescriber/FosRestDescriber.php
@@ -42,6 +42,7 @@ final class FosRestDescriber implements RouteDescriberInterface
                 $in = $annotation instanceof QueryParam ? 'query' : 'formData';
                 $parameter = $operation->getParameters()->get($annotation->getName(), $in);
 
+                $parameter->setRequired(!$annotation->nullable && $annotation->strict);
                 $parameter->setAllowEmptyValue($annotation->nullable && $annotation->allowBlank);
                 $parameter->setType($annotation->map ? 'array' : 'string');
                 $parameter->setDefault($annotation->getDefault());