diff --git a/src/pixel/px_polygon.scad b/src/pixel/px_polygon.scad
index 60b04452..fea122b9 100644
--- a/src/pixel/px_polygon.scad
+++ b/src/pixel/px_polygon.scad
@@ -8,6 +8,9 @@
 *
 **/ 
 
+use <in_shape.scad>;
+use <pixel/px_polyline.scad>;
+
 function px_polygon(points, filled = false) =
     filled ?
     let(
diff --git a/test/pixel/test_px_polygon.scad b/test/pixel/test_px_polygon.scad
index a3bc9c90..ba737912 100644
--- a/test/pixel/test_px_polygon.scad
+++ b/test/pixel/test_px_polygon.scad
@@ -1,8 +1,5 @@
-include <unittest.scad>;
-include <in_shape.scad>;
-include <pixel/px_line.scad>;
-include <pixel/px_polyline.scad>;
-include <pixel/px_polygon.scad>;
+use <unittest.scad>;
+use <pixel/px_polygon.scad>;
 
 module test_px_polygon() { 
     echo("==== test_px_polygon ====");