diff --git a/src/pixel/px_cylinder.scad b/src/pixel/px_cylinder.scad
index 9a0a7f76..80e5b3db 100644
--- a/src/pixel/px_cylinder.scad
+++ b/src/pixel/px_cylinder.scad
@@ -9,6 +9,7 @@
 **/ 
 
 use <pixel/_impl/_px_cylinder_impl.scad>; 
+use <util/dedup.scad>;
 
 function px_cylinder(r, h, filled = false, thickness = 1) =
-    _px_cylinder_impl(r, h, filled, thickness);
\ No newline at end of file
+    dedup(_px_cylinder_impl(r, h, filled, thickness));
\ No newline at end of file