diff --git a/src/ApiPlatform/AddDocumentedAPIPropertiesJSONSchemaFactory.php b/src/ApiPlatform/AddDocumentedAPIPropertiesJSONSchemaFactory.php
index 98b92a41..c13af396 100644
--- a/src/ApiPlatform/AddDocumentedAPIPropertiesJSONSchemaFactory.php
+++ b/src/ApiPlatform/AddDocumentedAPIPropertiesJSONSchemaFactory.php
@@ -98,6 +98,8 @@ class AddDocumentedAPIPropertiesJSONSchemaFactory implements SchemaFactoryInterf
         $version = $schema->getVersion();
         $swagger = Schema::VERSION_SWAGGER === $version;
 
+        $propertySchema = [];
+
         if (false === $propertyMetadata->writeable) {
             $propertySchema['readOnly'] = true;
         }
@@ -115,14 +117,14 @@ class AddDocumentedAPIPropertiesJSONSchemaFactory implements SchemaFactoryInterf
             $propertySchema['deprecated'] = true;
         }
 
-        if (!isset($propertySchema['default']) && !empty($default = $propertyMetadata->default)) {
+        if (!empty($default = $propertyMetadata->default)) {
             if ($default instanceof \BackedEnum) {
                 $default = $default->value;
             }
             $propertySchema['default'] = $default;
         }
 
-        if (!isset($propertySchema['example']) && !empty($example = $propertyMetadata->example)) {
+        if (!empty($example = $propertyMetadata->example)) {
             $propertySchema['example'] = $example;
         }
 
diff --git a/src/Entity/Parameters/AbstractParameter.php b/src/Entity/Parameters/AbstractParameter.php
index b8b1e169..015e496d 100644
--- a/src/Entity/Parameters/AbstractParameter.php
+++ b/src/Entity/Parameters/AbstractParameter.php
@@ -191,7 +191,7 @@ abstract class AbstractParameter extends AbstractNamedDBElement
      * Return a formatted string version of the values of the string.
      * Based on the set values it can return something like this: 34 V (12 V ... 50 V) [Text].
      */
-    #[Groups('parameter:read', 'full')]
+    #[Groups(['parameter:read', 'full'])]
     #[SerializedName('formatted')]
     public function getFormattedValue(): string
     {