diff --git a/python/jupytergis_lab/jupytergis_lab/notebook/gis_document.py b/python/jupytergis_lab/jupytergis_lab/notebook/gis_document.py
index 04b598104..3d0bf9b27 100644
--- a/python/jupytergis_lab/jupytergis_lab/notebook/gis_document.py
+++ b/python/jupytergis_lab/jupytergis_lab/notebook/gis_document.py
@@ -726,7 +726,7 @@ def _path_to_comm(cls, filePath: Optional[str]) -> Dict:
             else:
                 raise ValueError("File extension is not supported!")
         return dict(
-            path=path, format=format, contentType=contentType, createydoc=path is None
+            path=path, format=format, contentType=contentType, create_ydoc=path is None
         )