diff --git a/src/experimental/convex_ct_clk_order.scad b/src/experimental/convex_ct_clk_order.scad
index e6213de0..7fc8c936 100644
--- a/src/experimental/convex_ct_clk_order.scad
+++ b/src/experimental/convex_ct_clk_order.scad
@@ -1,6 +1,6 @@
-use <util/sort.scad>;
+use <util/sorted.scad>;
 use <experimental/convex_centroid.scad>;
 
 function convex_ct_clk_order(points) =
     let(cpt = convex_centroid(points))
-    sort(points, by = function(p1, p2) cross(p2 - cpt, p1 - cpt));
\ No newline at end of file
+    sorted(points, cmp = function(p1, p2) cross(p2 - cpt, p1 - cpt));
\ No newline at end of file