diff --git a/script/script/table/create/24.coordinates.sql b/script/script/table/create/24.coordinates.sql
index 4804896..9b2af3b 100644
--- a/script/script/table/create/24.coordinates.sql
+++ b/script/script/table/create/24.coordinates.sql
@@ -6,5 +6,5 @@ create table tj.coordinates
 , coord point not null
 );
 
-create index tj.coordinates_spgist on tj.coordinates using spgist(coord);
-create index tj.coordinates_gist on tj.coordinates using gist(coord);
+create index tj_coordinates_spgist on tj.coordinates using spgist(coord);
+create index tj_coordinates_gist on tj.coordinates using gist(coord);
diff --git a/script/script/table/drop/24.coordinates.sql b/script/script/table/drop/24.coordinates.sql
index e5d50b4..0d74d3e 100644
--- a/script/script/table/drop/24.coordinates.sql
+++ b/script/script/table/drop/24.coordinates.sql
@@ -1,7 +1,7 @@
 -- [coordinates]
 
-drop index if exists tj.coordinates_gist;
+drop index if exists tj_coordinates_gist;
 
-drop index if exists tj.coordinates_spgist;
+drop index if exists tj_coordinates_spgist;
 
 drop table if exists tj.coordinates;