diff --git a/apps/files/lib/Controller/DirectEditingController.php b/apps/files/lib/Controller/DirectEditingController.php
index e5bf00335abc4..a2e765072f2d4 100644
--- a/apps/files/lib/Controller/DirectEditingController.php
+++ b/apps/files/lib/Controller/DirectEditingController.php
@@ -77,7 +77,7 @@ public function info(): DataResponse {
 	 */
 	public function create(string $path, string $editorId, string $creatorId, string $templateId = null): DataResponse {
 		if (!$this->directEditingManager->isEnabled()) {
-			return new DataResponse('Direct editing is not enabled', Http::STATUS_INTERNAL_SERVER_ERROR);
+			return new DataResponse(['message' => 'Direct editing is not enabled'], Http::STATUS_INTERNAL_SERVER_ERROR);
 		}
 		$this->eventDispatcher->dispatchTyped(new RegisterDirectEditorEvent($this->directEditingManager));
 
@@ -88,7 +88,7 @@ public function create(string $path, string $editorId, string $creatorId, string
 			]);
 		} catch (Exception $e) {
 			$this->logger->logException($e, ['message' => 'Exception when creating a new file through direct editing']);
-			return new DataResponse('Failed to create file: ' . $e->getMessage(), Http::STATUS_FORBIDDEN);
+			return new DataResponse(['message' => 'Failed to create file: ' . $e->getMessage()], Http::STATUS_FORBIDDEN);
 		}
 	}
 
@@ -97,7 +97,7 @@ public function create(string $path, string $editorId, string $creatorId, string
 	 */
 	public function open(string $path, string $editorId = null): DataResponse {
 		if (!$this->directEditingManager->isEnabled()) {
-			return new DataResponse('Direct editing is not enabled', Http::STATUS_INTERNAL_SERVER_ERROR);
+			return new DataResponse(['message' => 'Direct editing is not enabled'], Http::STATUS_INTERNAL_SERVER_ERROR);
 		}
 		$this->eventDispatcher->dispatchTyped(new RegisterDirectEditorEvent($this->directEditingManager));
 
@@ -108,7 +108,7 @@ public function open(string $path, string $editorId = null): DataResponse {
 			]);
 		} catch (Exception $e) {
 			$this->logger->logException($e, ['message' => 'Exception when opening a file through direct editing']);
-			return new DataResponse('Failed to open file: ' . $e->getMessage(), Http::STATUS_FORBIDDEN);
+			return new DataResponse(['message' => 'Failed to open file: ' . $e->getMessage()], Http::STATUS_FORBIDDEN);
 		}
 	}
 
@@ -119,7 +119,7 @@ public function open(string $path, string $editorId = null): DataResponse {
 	 */
 	public function templates(string $editorId, string $creatorId): DataResponse {
 		if (!$this->directEditingManager->isEnabled()) {
-			return new DataResponse('Direct editing is not enabled', Http::STATUS_INTERNAL_SERVER_ERROR);
+			return new DataResponse(['message' => 'Direct editing is not enabled'], Http::STATUS_INTERNAL_SERVER_ERROR);
 		}
 		$this->eventDispatcher->dispatchTyped(new RegisterDirectEditorEvent($this->directEditingManager));
 
@@ -127,7 +127,7 @@ public function templates(string $editorId, string $creatorId): DataResponse {
 			return new DataResponse($this->directEditingManager->getTemplates($editorId, $creatorId));
 		} catch (Exception $e) {
 			$this->logger->logException($e);
-			return new DataResponse('Failed to obtain template list: ' . $e->getMessage(), Http::STATUS_INTERNAL_SERVER_ERROR);
+			return new DataResponse(['message' => 'Failed to obtain template list: ' . $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
 		}
 	}
 }