diff --git a/data/visdrone.yaml b/data/visdrone.yaml
index 59f597a9c6f1..c23e6bc286f8 100644
--- a/data/visdrone.yaml
+++ b/data/visdrone.yaml
@@ -56,7 +56,7 @@ download: |
   dir = Path('../VisDrone')  # dataset directory
   urls = ['https://github.com/ultralytics/yolov5/releases/download/v1.0/VisDrone2019-DET-train.zip',
           'https://github.com/ultralytics/yolov5/releases/download/v1.0/VisDrone2019-DET-val.zip',
-          'https://github.com/ultralytics/yolov5/releases/download/v1.0/VisDrone2019-DET-test-dev.zip'
+          'https://github.com/ultralytics/yolov5/releases/download/v1.0/VisDrone2019-DET-test-dev.zip',
           'https://github.com/ultralytics/yolov5/releases/download/v1.0/VisDrone2019-DET-test-challenge.zip']
   download(urls, dir=dir)