diff --git a/src/__private__/__in_line2d.scad b/src/__private__/__in_line2d.scad
index 2a96cd69..12430ba8 100644
--- a/src/__private__/__in_line2d.scad
+++ b/src/__private__/__in_line2d.scad
@@ -3,4 +3,4 @@ function __in_line2d(line_pts, pt, epsilon = 0.0001) =
         v1 = line_pts[0] - pt, 
         v2 = line_pts[1] - pt
     )
-    (abs(cross(v1, v2)) < epsilon) && ((v1 * v2) <= epsilon);
\ No newline at end of file
+    (norm(cross(v1, v2)) < epsilon) && ((v1 * v2) <= epsilon);
\ No newline at end of file