diff --git a/client/cdb_dataservices_client--0.9.0--0.8.0.sql b/client/cdb_dataservices_client--0.9.0--0.8.0.sql
index ceeebac..3703182 100644
--- a/client/cdb_dataservices_client--0.9.0--0.8.0.sql
+++ b/client/cdb_dataservices_client--0.9.0--0.8.0.sql
@@ -3,5 +3,5 @@
 \echo Use "ALTER EXTENSION cdb_dataservices_client UPDATE TO '0.8.0'" to load this file. \quit
 DROP FUNCTION IF EXISTS cdb_dataservices_client.cdb_mapzen_isochrone(geometry(Geometry, 4326), text, integer[], text[]);
 DROP FUNCTION IF EXISTS cdb_dataservices_client.cdb_mapzen_isodistance(geometry(Geometry, 4326), text, integer[], text[]);
-DROP FUNCTION IF EXISTS cdb_dataservices_client._cdb_mapzen_isochrone(text, text, geometry(Geometry, 4326), text, integer[], text);
-DROP FUNCTION IF EXISTS cdb_dataservices_client._cdb_mapzen_isodistance(text, text, geometry(Geometry, 4326), text, integer[], text);
+DROP FUNCTION IF EXISTS cdb_dataservices_client._cdb_mapzen_isochrone(text, text, geometry(Geometry, 4326), text, integer[], text[]);
+DROP FUNCTION IF EXISTS cdb_dataservices_client._cdb_mapzen_isodistance(text, text, geometry(Geometry, 4326), text, integer[], text[]);