diff --git a/src/jupytergis/tiler/gis_document.py b/src/jupytergis/tiler/gis_document.py
index 53cc184..4e511bf 100644
--- a/src/jupytergis/tiler/gis_document.py
+++ b/src/jupytergis/tiler/gis_document.py
@@ -126,6 +126,7 @@ async def add_tiler_layer(
             "type": LayerType.RasterLayer,
             "name": name,
             "visible": True,
+            "transient": True,
             "parameters": {"source": source_id, "opacity": opacity},
         }
         self._include_tile_server_router(source_id, data_array, algorithm)