diff --git a/backend.py b/backend.py
index effad58..aacd24b 100644
--- a/backend.py
+++ b/backend.py
@@ -112,10 +112,9 @@ class EventsResource(BaseEvent):
 class EventResource(BaseEvent):
     def maybe_insert_geometry(self, geometry, cur):
         # insert into geo table if not existing
-        cur.execute("""INSERT INTO geo (hash, geom, geom_center)
-                            SELECT *, st_centroid(geom) FROM
-                                (SELECT md5(ewkt) as hash, st_setsrid(st_geomfromewkt(ewkt),4326) as geom FROM
-                                    (SELECT st_asewkt(st_geomfromgeojson( %s )) as ewkt) as g) as i
+        cur.execute("""INSERT INTO geo
+                            SELECT geom, md5(st_asewkt(geom)) as hash, st_centroid(geom) as geom_center FROM
+                                    (SELECT st_setsrid(st_geomfromgeojson( %s ),4326) as geom) as g
                                 WHERE ST_IsValid(geom)
                         ON CONFLICT DO NOTHING RETURNING hash;""",
                     (geometry,))