diff --git a/ckanext/charts/plugin.py b/ckanext/charts/plugin.py
index 04eb7fb..d742dcc 100644
--- a/ckanext/charts/plugin.py
+++ b/ckanext/charts/plugin.py
@@ -52,6 +52,7 @@ def info(self) -> dict[str, Any]:
             "iframed": False,
             "filterable": False,
             "preview_enabled": False,
+            "requires_datastore": True
         }
 
     def can_view(self, data_dict: dict[str, Any]) -> bool: