diff --git a/layers/water_name/water_lakeline.sql b/layers/water_name/water_lakeline.sql
index 56aa383..d9c58ea 100644
--- a/layers/water_name/water_lakeline.sql
+++ b/layers/water_name/water_lakeline.sql
@@ -1,4 +1,4 @@
-DROP TRIGGER IF EXISTS trigger_flag ON osm_water_polygon;
+DROP TRIGGER IF EXISTS trigger_flag_line ON osm_water_polygon;
 DROP TRIGGER IF EXISTS trigger_refresh ON water_lakeline.updates;
 
 -- etldoc:  osm_water_polygon ->  osm_water_lakeline
@@ -38,7 +38,7 @@ CREATE OR REPLACE FUNCTION water_lakeline.refresh() RETURNS trigger AS
   $BODY$
 language plpgsql;
 
-CREATE TRIGGER trigger_flag
+CREATE TRIGGER trigger_flag_line
     AFTER INSERT OR UPDATE OR DELETE ON osm_water_polygon
     FOR EACH STATEMENT
     EXECUTE PROCEDURE water_lakeline.flag();
diff --git a/layers/water_name/water_point.sql b/layers/water_name/water_point.sql
index 37640da..4870879 100644
--- a/layers/water_name/water_point.sql
+++ b/layers/water_name/water_point.sql
@@ -1,4 +1,4 @@
-DROP TRIGGER IF EXISTS trigger_flag ON osm_water_polygon;
+DROP TRIGGER IF EXISTS trigger_flag_point ON osm_water_polygon;
 DROP TRIGGER IF EXISTS trigger_refresh ON water_point.updates;
 
 -- etldoc:  osm_water_polygon ->  osm_water_point
@@ -38,7 +38,7 @@ CREATE OR REPLACE FUNCTION water_point.refresh() RETURNS trigger AS
   $BODY$
 language plpgsql;
 
-CREATE TRIGGER trigger_flag
+CREATE TRIGGER trigger_flag_point
     AFTER INSERT OR UPDATE OR DELETE ON osm_water_polygon
     FOR EACH STATEMENT
     EXECUTE PROCEDURE water_point.flag();