diff --git a/test/test_helix.scad b/test/test_helix.scad
index 36e31790..2fc0be92 100644
--- a/test/test_helix.scad
+++ b/test/test_helix.scad
@@ -1,5 +1,5 @@
-include <unittest.scad>;
-include <helix.scad>;
+use <unittest.scad>;
+use <helix.scad>;
 
 module test_helix_the_same_radius() {
     echo("==== test_helix_the_same_radius ====");