diff --git a/src/along_with.scad b/src/along_with.scad
index ae08a18d..c0424929 100644
--- a/src/along_with.scad
+++ b/src/along_with.scad
@@ -24,7 +24,7 @@ module along_with(points, angles, twist = 0, scale = 1.0, method = "AXIS_ANGLE")
     scale_step_vt = (
         is_num(scale) ? 
         let(s = scale - 1) [s, s, s] : 
-        len(s) == 2 ? [each (scale - [1, 1]), 0]:
+        len(scale) == 2 ? [each (scale - [1, 1]), 0]:
                       scale - scale_one
     ) / leng_points_minus_one;