diff --git a/src/Filter/Filter.php b/src/Filter/Filter.php
index 4231947f87..05cce37744 100644
--- a/src/Filter/Filter.php
+++ b/src/Filter/Filter.php
@@ -258,7 +258,7 @@ final public function showFilter(): ?bool
      */
     final public function getLabelTranslationParameters(): array
     {
-        return $this->getOption('label_translation_parameters');
+        return $this->getOption('label_translation_parameters', []);
     }
 
     final public function withAdvancedFilter(): bool
diff --git a/tests/Filter/FilterTest.php b/tests/Filter/FilterTest.php
index 08c272369a..f00cc83c48 100644
--- a/tests/Filter/FilterTest.php
+++ b/tests/Filter/FilterTest.php
@@ -27,6 +27,8 @@ public function testFilter(): void
         static::assertSame(TextType::class, $filter->getFieldType());
         static::assertSame([], $filter->getFieldOptions());
         static::assertNull($filter->getLabel());
+        static::assertNull($filter->getTranslationDomain());
+        static::assertSame([], $filter->getLabelTranslationParameters());
 
         $options = [
             'label' => 'foo',