diff --git a/sql/functions/utils.sql b/sql/functions/utils.sql
index 61033fb4..d88de426 100644
--- a/sql/functions/utils.sql
+++ b/sql/functions/utils.sql
@@ -431,7 +431,7 @@ DECLARE
   geo RECORD;
 BEGIN
   -- 10000000000 is ~~ 1x1 degree
-  FOR geo IN select quad_split_geometry(geometry, 0.25, 20) as geom LOOP
+  FOR geo IN select quad_split_geometry(geometry, 0.01, 20) as geom LOOP
     RETURN NEXT geo.geom;
   END LOOP;
   RETURN;