diff --git a/tests/test_distributors.scad b/tests/test_distributors.scad
index 2c95740..d5f4537 100644
--- a/tests/test_distributors.scad
+++ b/tests/test_distributors.scad
@@ -2,15 +2,15 @@ include <../std.scad>
 
 
 module test_line_copies() {
-    assert_equal(line_copies(l=100,n=5), [[-50,0,0],[-25,0,0],[0,0,0],[25,0,0],[50,0,0]]);
-    assert_equal(line_copies(20,n=5), [[-40,0,0],[-20,0,0],[0,0,0],[20,0,0],[40,0,0]]);
-    assert_equal(line_copies(spacing=20,n=5), [[-40,0,0],[-20,0,0],[0,0,0],[20,0,0],[40,0,0]]);
-    assert_equal(line_copies(spacing=[0,20],n=5), [[0,-40,0],[0,-20,0],[0,0,0],[0,20,0],[0,40,0]]);
+    assert_equal(line_copies(l=100,n=5,p=[0,0,0]), [[-50,0,0],[-25,0,0],[0,0,0],[25,0,0],[50,0,0]]);
+    assert_equal(line_copies(20,n=5,p=[0,0,0]), [[-40,0,0],[-20,0,0],[0,0,0],[20,0,0],[40,0,0]]);
+    assert_equal(line_copies(spacing=20,n=5,p=[0,0,0]), [[-40,0,0],[-20,0,0],[0,0,0],[20,0,0],[40,0,0]]);
+    assert_equal(line_copies(spacing=[0,20],n=5,p=[0,0,0]), [[0,-40,0],[0,-20,0],[0,0,0],[0,20,0],[0,40,0]]);
 
-    assert_equal(line_copies(p1=[0,0],l=100,n=5), [[0,0,0],[25,0,0],[50,0,0],[75,0,0],[100,0,0]]);
-    assert_equal(line_copies(p1=[0,0],20,n=5), [[0,0,0],[20,0,0],[40,0,0],[60,0,0],[80,0,0]]);
-    assert_equal(line_copies(p1=[0,0],spacing=20,n=5), [[0,0,0],[20,0,0],[40,0,0],[60,0,0],[80,0,0]]);
-    assert_equal(line_copies(p1=[0,0],spacing=[0,20],n=5), [[0,0,0],[0,20,0],[0,40,0],[0,60,0],[0,80,0]]);
+    assert_equal(line_copies(p1=[0,0],l=100,n=5,p=[0,0,0]), [[0,0,0],[25,0,0],[50,0,0],[75,0,0],[100,0,0]]);
+    assert_equal(line_copies(p1=[0,0],20,n=5,p=[0,0,0]), [[0,0,0],[20,0,0],[40,0,0],[60,0,0],[80,0,0]]);
+    assert_equal(line_copies(p1=[0,0],spacing=20,n=5,p=[0,0,0]), [[0,0,0],[20,0,0],[40,0,0],[60,0,0],[80,0,0]]);
+    assert_equal(line_copies(p1=[0,0],spacing=[0,20],n=5,p=[0,0,0]), [[0,0,0],[0,20,0],[0,40,0],[0,60,0],[0,80,0]]);
 }
 test_line_copies();