diff --git a/test/test_shape_trapezium.scad b/test/test_shape_trapezium.scad
index ad655bb7..a97ecb2d 100644
--- a/test/test_shape_trapezium.scad
+++ b/test/test_shape_trapezium.scad
@@ -4,7 +4,7 @@ include <shape_trapezium.scad>;
 module test_shape_trapezium() {
     echo("==== test_shape_trapezium ====");
 
-    expected = [[16.7639, -10], [18.4469, -9.0806], [18.5825, -7.1677], [18.5528, -7.10557], [10.5528, 8.89443], [8.97782, 9.98853], [8.76393, 10], [-8.76393, 10], [-8.97782, 9.98853], [-10.5528, 8.89443], [-18.5528, -7.10557], [-18.5825, -7.1677], [-18.4469, -9.0806], [-16.7639, -10]];
+    expected = [[16.7639, -10], [18.4469, -9.0806], [18.5825, -7.1677], [18.5528, -7.1056], [10.5528, 8.8944], [8.9778, 9.9885], [8.7639, 10], [-8.7639, 10], [-8.9778, 9.9885], [-10.5528, 8.8944], [-18.5528, -7.1056], [-18.5825, -7.1677], [-18.4469, -9.0806], [-16.7639, -10]];
 
     actual = shape_trapezium(
         [40, 20],