diff --git a/src/AIS/AIS_RadiusDimension.cxx b/src/AIS/AIS_RadiusDimension.cxx
index 64adef0cc9..435448d492 100644
--- a/src/AIS/AIS_RadiusDimension.cxx
+++ b/src/AIS/AIS_RadiusDimension.cxx
@@ -238,9 +238,8 @@ Standard_Boolean AIS_RadiusDimension::IsValidAnchor (const gp_Circ& theCircle,
 {
   gp_Pln aCirclePlane (theCircle.Location(), theCircle.Axis().Direction());
   Standard_Real anAnchorDist = theAnchor.Distance (theCircle.Location());
-  Standard_Real aRadius      = myCircle.Radius();
 
-  return Abs (anAnchorDist - aRadius) <= Precision::Confusion()
+  return anAnchorDist > Precision::Confusion()
       && aCirclePlane.Contains (theAnchor, Precision::Confusion());
 }