diff --git a/src/Form/Type/RolesMatrixType.php b/src/Form/Type/RolesMatrixType.php
index 4ed59b3d4..5581b2f14 100644
--- a/src/Form/Type/RolesMatrixType.php
+++ b/src/Form/Type/RolesMatrixType.php
@@ -35,6 +35,7 @@ public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'expanded' => true,
+            'multiple' => true,
             'choices' => function (Options $options, ?array $parentChoices): array {
                 if (null !== $parentChoices && [] !== $parentChoices) {
                     return [];
diff --git a/tests/Form/Type/RolesMatrixTypeTest.php b/tests/Form/Type/RolesMatrixTypeTest.php
index d9be3b4a0..a0eef4f2d 100755
--- a/tests/Form/Type/RolesMatrixTypeTest.php
+++ b/tests/Form/Type/RolesMatrixTypeTest.php
@@ -58,6 +58,9 @@ public function testGetDefaultOptions(): void
         $choices = $options['choices'];
         static::assertCount(2, $choices);
         static::assertNotContains(UserInterface::ROLE_DEFAULT, $choices);
+        static::assertTrue($options['expanded']);
+        static::assertTrue($options['multiple']);
+
     }
 
     public function testDifferentExcludedRoles(): void