diff --git a/web/app/sketcher/shapes/bezier-curve.js b/web/app/sketcher/shapes/bezier-curve.js
index 145161dc..9075193c 100644
--- a/web/app/sketcher/shapes/bezier-curve.js
+++ b/web/app/sketcher/shapes/bezier-curve.js
@@ -16,9 +16,9 @@ export class BezierCurve extends SketchObject {
     this.addChild(s2);
 
     this.a = s1.a;
-    this.b = s2.b;
+    this.b = s2.a;
     this.cp1 = s1.b;
-    this.cp2 = s2.a;
+    this.cp2 = s2.b;
     
     for (const c of this.children) {
       c.role = 'objectConstruction';