diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98da63be..3d9f7604 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,9 @@
 ### Changed
 - compatible with ownCloud Web 7.0
 
+## Added
+- reference data from coediting
+
 ## 8.2.3
 ## Added
 - Ukrainian translation
diff --git a/controller/editorcontroller.php b/controller/editorcontroller.php
index a78f4fa7..5fb12953 100644
--- a/controller/editorcontroller.php
+++ b/controller/editorcontroller.php
@@ -597,10 +597,12 @@ public function reference($referenceData, $path = null) {
 
 		$fileName = $file->getName();
 		$ext = strtolower(pathinfo($fileName, PATHINFO_EXTENSION));
+		$key = $this->fileUtility->getKey($file);
 
 		$response = [
 			"fileType" => $ext,
 			"path" => $userFolder->getRelativePath($file->getPath()),
+			"key" => $key,
 			"referenceData" => [
 				"fileKey" => $file->getId(),
 				"instanceId" => $this->config->getSystemValue("instanceid", true),