diff --git a/src/bend_extrude.scad b/src/bend_extrude.scad
index 2f31f7ac..cb1d6b53 100644
--- a/src/bend_extrude.scad
+++ b/src/bend_extrude.scad
@@ -20,10 +20,10 @@ module bend_extrude(size, angle, frags = 24) {
                 }
     }
 
-    offsetX = -r * cos(half_frag_angle) ;
+    offsetY = -r * cos(half_frag_angle) ;
     for(i = [0 : frags - 1]) {
        rotate(i * frag_angle + half_frag_angle) 
-            translate([0, offsetX, 0])
+            translate([0, offsetY, 0])
                 rotate([-90, 0, 0]) 
                     get_frag(i) 
                         children();