diff --git a/src/scripts/get_geom.sql b/src/scripts/get_geom.sql
index 6aa563e97..b48ee1ad0 100644
--- a/src/scripts/get_geom.sql
+++ b/src/scripts/get_geom.sql
@@ -1,4 +1,4 @@
 SELECT
-  ST_AsMVTGeom (ST_Transform ({geometry_column}, 3857), {mercator_bounds}, {extent}, {buffer}, {clip_geom}) AS geom {properties} FROM {id}, bounds
+  ST_AsMVTGeom (ST_Transform (ST_CurveToLine({geometry_column}), 3857), {mercator_bounds}, {extent}, {buffer}, {clip_geom}) AS geom {properties} FROM {id}, bounds
   WHERE
     {geometry_column} && bounds.srid_{srid}