diff --git a/web/app/cad/craft/primitives/planeOperation.js b/web/app/cad/craft/primitives/planeOperation.js
index 38ed152d..50c371e3 100644
--- a/web/app/cad/craft/primitives/planeOperation.js
+++ b/web/app/cad/craft/primitives/planeOperation.js
@@ -17,7 +17,8 @@ function paramsToPlane({orientation, parallelTo, depth}, cadRegistry) {
     const normal = STANDARD_BASES[orientation][2];
     plane = new Plane(normal, depth);
   } else {
-    plane = new Plane(face.surface.normalInMiddle(), depth);
+    let base = face.surface.tangentPlaneInMiddle();
+    plane = new Plane(base.normal, base.w + depth);
   }
   return plane;
 }