diff --git a/client/cdb_dataservices_client--0.11.1--0.12.0.sql b/client/cdb_dataservices_client--0.11.1--0.12.0.sql
index affd22d..310dae8 100644
--- a/client/cdb_dataservices_client--0.11.1--0.12.0.sql
+++ b/client/cdb_dataservices_client--0.11.1--0.12.0.sql
@@ -100,7 +100,7 @@ END;
 $$ LANGUAGE 'plpgsql' SECURITY DEFINER;
 
 CREATE OR REPLACE FUNCTION cdb_dataservices_client.obs_legacybuildermetadata (aggregate_type text DEFAULT NULL)
-RETURNS TABLE(name text, subsection jsonb) AS $$
+RETURNS TABLE(name text, subsection json) AS $$
 DECLARE
   
   username text;
@@ -158,7 +158,7 @@ $$ LANGUAGE plproxy;
 
 CREATE OR REPLACE FUNCTION cdb_dataservices_client._obs_legacybuildermetadata (username text, organization_name text, aggregate_type text DEFAULT NULL)
 
-RETURNS TABLE(name text, subsection jsonb) AS $$
+RETURNS TABLE(name text, subsection json) AS $$
   CONNECT cdb_dataservices_client._server_conn_str();
   
   SELECT * FROM cdb_dataservices_server.obs_legacybuildermetadata (username, organization_name, aggregate_type);
diff --git a/client/cdb_dataservices_client--0.12.0--0.11.1.sql b/client/cdb_dataservices_client--0.12.0--0.11.1.sql
index 67434bf..47e3f10 100644
--- a/client/cdb_dataservices_client--0.12.0--0.11.1.sql
+++ b/client/cdb_dataservices_client--0.12.0--0.11.1.sql
@@ -13,7 +13,7 @@ DROP FUNCTION IF EXISTS cdb_dataservices_client._obs_getavailablenumerators (tex
 DROP FUNCTION IF EXISTS cdb_dataservices_client._obs_getavailabledenominators (text, text, geometry(Geometry, 4326), text[], text, text, text);
 DROP FUNCTION IF EXISTS cdb_dataservices_client._obs_getavailablegeometries (text, text, geometry(Geometry, 4326), text[], text, text, text);
 DROP FUNCTION IF EXISTS cdb_dataservices_client._obs_getavailabletimespans (text, text, geometry(Geometry, 4326), text[], text, text, text);
-DROP FUNCTION IF EXISTS cdb_dataservices_client._obs_legacybuildermetadata(text);
+DROP FUNCTION IF EXISTS cdb_dataservices_client._obs_legacybuildermetadata(text, text, text);
 
 DROP TYPE IF EXISTS cdb_dataservices_client.obs_meta_numerator;
 DROP TYPE IF EXISTS cdb_dataservices_client.obs_meta_denominator;
diff --git a/client/cdb_dataservices_client--0.12.0.sql b/client/cdb_dataservices_client--0.12.0.sql
index f5722f2..d0711cb 100644
--- a/client/cdb_dataservices_client--0.12.0.sql
+++ b/client/cdb_dataservices_client--0.12.0.sql
@@ -1240,7 +1240,7 @@ $$ LANGUAGE 'plpgsql' SECURITY DEFINER;
 -- and should also be the only ones with SECURITY DEFINER
 
 CREATE OR REPLACE FUNCTION cdb_dataservices_client.obs_legacybuildermetadata (aggregate_type text DEFAULT NULL)
-RETURNS TABLE(name text, subsection jsonb) AS $$
+RETURNS TABLE(name text, subsection json) AS $$
 DECLARE
   
   username text;
@@ -1925,7 +1925,7 @@ $$ LANGUAGE plproxy;
 
 CREATE OR REPLACE FUNCTION cdb_dataservices_client._obs_legacybuildermetadata (username text, organization_name text, aggregate_type text DEFAULT NULL)
 
-RETURNS TABLE(name text, subsection jsonb) AS $$
+RETURNS TABLE(name text, subsection json) AS $$
   CONNECT cdb_dataservices_client._server_conn_str();
   
   SELECT * FROM cdb_dataservices_server.obs_legacybuildermetadata (username, organization_name, aggregate_type);
diff --git a/client/renderer/interface.yaml b/client/renderer/interface.yaml
index b063535..4abe429 100644
--- a/client/renderer/interface.yaml
+++ b/client/renderer/interface.yaml
@@ -372,7 +372,7 @@
     - { name: geom_id, type: text, default: 'NULL'}
 
 - name: obs_legacybuildermetadata
-  return_type: TABLE(name text, subsection jsonb)
+  return_type: TABLE(name text, subsection json)
   multi_row: true
   multi_field: true
   params: