diff --git a/client/templates/30_plproxy_functions.erb b/client/templates/30_plproxy_functions.erb
index 9c77c71..766cf4a 100644
--- a/client/templates/30_plproxy_functions.erb
+++ b/client/templates/30_plproxy_functions.erb
@@ -1,5 +1,6 @@
-CREATE OR REPLACE FUNCTION <%= GEOCODER_CLIENT_SCHEMA %>._<%= name %> (user_id name, user_config JSON, geocoder_config JSON, <%= params_with_type %>)
+CREATE OR REPLACE FUNCTION <%= GEOCODER_CLIENT_SCHEMA %>._<%= name %> (user_id name, user_config json, geocoder_config json, <%= params_with_type %>)
 RETURNS <%= return_type %> AS $$
   CONNECT <%= GEOCODER_CLIENT_SCHEMA %>._server_conn_str();
   SELECT cdb_geocoder_server.<%= name %> (user_id, user_config, geocoder_config, <%= params %>);
 $$ LANGUAGE plproxy;
+