diff --git a/src/pg/sql/09_voronoi.sql b/src/pg/sql/09_voronoi.sql
index f5b0f1e..8969660 100644
--- a/src/pg/sql/09_voronoi.sql
+++ b/src/pg/sql/09_voronoi.sql
@@ -76,7 +76,7 @@ BEGIN
             ST_MakeLine(n.p1,n.p2) ,
             ST_MakeLine(n.p2,n.p3) ,
             ST_MakeLine(n.p3,n.p1)]) as Edge,
-            ST_Force_2D(cdb_crankshaft._Find_Circle(n.p1,n.p2,n.p3)) as ct ,
+            ST_Force_2D(cdb_crankshaft._Find_Circle(n.p1,n.p2,n.p3)) as ct,
             CASE WHEN st_distance(p.ct, ST_ExteriorRing(p.pg)) < tolerance THEN
                 TRUE
             ELSE  FALSE END AS ctx,