diff --git a/src/EventGenerator/EventGenerator.php b/src/EventGenerator/EventGenerator.php
index 85c0958c..4c29e44b 100644
--- a/src/EventGenerator/EventGenerator.php
+++ b/src/EventGenerator/EventGenerator.php
@@ -147,7 +147,15 @@ class EventGenerator implements EventGeneratorInterface {
       }
     }
 
-    $allowed_keys = ["file_upload_uri", "fedora_uri", "source_uri", "destination_uri", "args", "mimetype", "source_field"];
+    $allowed_keys = [
+      "file_upload_uri",
+      "fedora_uri",
+      "source_uri",
+      "destination_uri",
+      "args",
+      "mimetype",
+      "source_field",
+    ];
     $keys_to_unset = array_diff(array_keys($data), $allowed_keys);
     foreach ($keys_to_unset as $key) {
       unset($data[$key]);