diff --git a/datumaro/datumaro/plugins/coco_format/converter.py b/datumaro/datumaro/plugins/coco_format/converter.py
index 4af56b75ff67..7b91aef4f5d5 100644
--- a/datumaro/datumaro/plugins/coco_format/converter.py
+++ b/datumaro/datumaro/plugins/coco_format/converter.py
@@ -547,7 +547,7 @@ def _save_image(self, item):
         filename += CocoPath.IMAGE_EXT
         path = osp.join(self._images_dir, filename)
         save_image(path, image)
-        return path
+        return filename
 
     def convert(self):
         self._make_dirs()