diff --git a/packages/nextcloud/lib/src/webdav/client.dart b/packages/nextcloud/lib/src/webdav/client.dart
index f4f7a3dd8d9..7bc5df0f171 100644
--- a/packages/nextcloud/lib/src/webdav/client.dart
+++ b/packages/nextcloud/lib/src/webdav/client.dart
@@ -134,7 +134,7 @@ class WebDavClient {
         headers: _getUploadHeaders(
           lastModified: lastModified,
           created: created,
-          contentLength: null,
+          contentLength: localData.length,
         ),
       );