diff --git a/src/lib/Form/Type/FieldType/ImageFieldType.php b/src/lib/Form/Type/FieldType/ImageFieldType.php
index eec047b3..82e7df0a 100644
--- a/src/lib/Form/Type/FieldType/ImageFieldType.php
+++ b/src/lib/Form/Type/FieldType/ImageFieldType.php
@@ -58,6 +58,7 @@ public function buildView(FormView $view, FormInterface $form, array $options)
     {
         $view->vars += [
             'is_alternative_text_required' => $options['is_alternative_text_required'],
+            'mime_types' => $options['mime_types'],
         ];
     }
 
@@ -66,9 +67,11 @@ public function configureOptions(OptionsResolver $resolver)
         $resolver->setDefaults([
             'translation_domain' => 'ibexa_content_forms_fieldtype',
             'is_alternative_text_required' => false,
+            'mime_types' => [],
         ]);
 
         $resolver->setAllowedTypes('is_alternative_text_required', 'bool');
+        $resolver->setAllowedTypes('mime_types', ['array']);
     }
 }