diff --git a/datasette/facets.py b/datasette/facets.py
index 29923ef7..8fd2177a 100644
--- a/datasette/facets.py
+++ b/datasette/facets.py
@@ -225,7 +225,7 @@ class ColumnFacet(Facet):
                     "name": column,
                     "type": self.type,
                     "hideable": source != "metadata",
-                    "toggle_url": ds.urls.path(
+                    "toggle_url": self.ds.urls.path(
                         path_with_removed_args(self.request, {"_facet": column})
                     ),
                     "results": facet_results_values,