diff --git a/cvat/apps/engine/annotation.py b/cvat/apps/engine/annotation.py
index 7500eb12..9c34548b 100644
--- a/cvat/apps/engine/annotation.py
+++ b/cvat/apps/engine/annotation.py
@@ -1293,6 +1293,8 @@ class TaskAnnotation:
                 ("width", str(im_meta_data[0]["width"])),
                 ("height", str(im_meta_data[0]["height"]))
             ])
+            # Add source to dumped file
+            meta["source"] = str(db_task.video.path)
 
         with open(file_path, "w") as dump_file:
             dumper = XmlAnnotationWriter(dump_file)