diff --git a/pgtilesrv_config.sh b/pgtilesrv_config.sh
index c7864d6..bb21ab2 100644
--- a/pgtilesrv_config.sh
+++ b/pgtilesrv_config.sh
@@ -3,6 +3,9 @@
 eval MIDOMINIO=$(docker exec arches_db printenv DOMAINS)
 eval MIPROY=$(docker exec arches_db printenv COMPOSE_PROJECT_NAME)
 
-MISQL="INSERT INTO map_sources (name, source) VALUES ('ponderacion-pg-tilesrv', '{\"type\": \"vector\", \"tiles\": [\"https://$MIDOMINIO/pgtileserv/public.ponderacion/{z}/{x}/{y}.pbf\"], \"tileSize\": 512}') ON CONFLICT DO NOTHING RETURNING *;"
+MISQL="INSERT INTO map_sources (name, source) 
+VALUES ('ponderacion-pg-tilesrv', '{\"type\": \"vector\", \"tiles\": [\"https://$MIDOMINIO/pgtileserv/public.ponderacion/{z}/{x}/{y}.pbf\"], \"tileSize\": 512}') 
+ON CONFLICT (name)
+DO UPDATE SET source = EXCLUDED.source;"
 
 docker exec arches_db psql -U postgres -d $MIPROY -c "$MISQL"
\ No newline at end of file