diff --git a/src/pg/sql/41_observatory_augmentation.sql b/src/pg/sql/41_observatory_augmentation.sql
index f9c3e5c..89ca7b3 100644
--- a/src/pg/sql/41_observatory_augmentation.sql
+++ b/src/pg/sql/41_observatory_augmentation.sql
@@ -505,13 +505,12 @@ BEGIN
         sql = format('WITH _geom AS (SELECT ST_Area(ST_Intersection($1, geom.%I))
                                           / ST_Area(geom.%I) overlap, geom.%I geom_ref
                                      FROM observatory.%I geom
-                                     WHERE ST_Intersects($1, geom.%I)
-                                       AND ST_Area(ST_Intersection($1, geom.%I)) / ST_Area(geom.%I) > 0)
+                                     WHERE ST_Intersects($1, geom.%I))
                       SELECT SUM(numer.%I * (SELECT _geom.overlap FROM _geom WHERE _geom.geom_ref = numer.%I))
                       FROM observatory.%I numer
                       WHERE numer.%I = ANY ((SELECT ARRAY_AGG(geom_ref) FROM _geom)::TEXT[])',
                   geom_colname, geom_colname, geom_geomref_colname,
-                  geom_tablename, geom_colname, geom_colname, geom_colname,
+                  geom_tablename, geom_colname,
                   numer_colname, numer_geomref_colname, numer_tablename,
                   numer_geomref_colname);
       END IF;