diff --git a/Source/ProceduralAbstractSoRShape.cs b/Source/ProceduralAbstractSoRShape.cs
index df913b36..ab507b51 100644
--- a/Source/ProceduralAbstractSoRShape.cs
+++ b/Source/ProceduralAbstractSoRShape.cs
@@ -351,7 +351,7 @@ private object AddAttachmentNormalized(TransformFollower attach)
 
             // This is easy, just get the UV and location correctly and force an update.
             // as the position might be after some rotation and translation, it might not be exactly +/- 0.5
-            if (Mathf.Abs(Mathf.Abs(position.y) - 0.5f) < 1e-5f)
+            if (Mathf.Abs(Mathf.Abs(position.y) - Mathf.Abs(position.magnitude)) < 1e-5f)
             {
                 if (position.y > 0)
                 {
diff --git a/Source/ProceduralShapePolygon.cs b/Source/ProceduralShapePolygon.cs
index 33c44d6e..f45f4f11 100644
--- a/Source/ProceduralShapePolygon.cs
+++ b/Source/ProceduralShapePolygon.cs
@@ -544,7 +544,7 @@ private object AddNormalizedAttachment(TransformFollower follower)
             Attachment attachment;
 
             // as the position might be after some rotation and translation, it might not be exactly +/- 0.5
-            if (Mathf.Abs(Mathf.Abs(position.y) - 0.5f) < 1e-5f)
+            if (Mathf.Abs(Mathf.Abs(position.y) - Mathf.Abs(position.magnitude)) < 1e-5f)
             {
                 attachment = AddNormalizedCapAttachment(follower, position);
             }