diff --git a/Orb_AutFN.jl b/Orb_AutFN.jl
index d964929..98cec76 100644
--- a/Orb_AutFN.jl
+++ b/Orb_AutFN.jl
@@ -198,7 +198,7 @@ function orbit_check_propertyT(logger, sett::Settings)
    info(logger, "minimum(P) = $(minimum(P))")
 
    if λ > 0
-      sgap = PropertyT.check_distance_to_positive_cone(Δ, λ, P, tol=sett.tol, rational=false, len=2*sett.radius)
+      sgap = PropertyT.check_distance_to_positive_cone(Δ, λ, P, 2*sett.radius, tol=sett.tol, rational=false)
       if isa(sgap, Interval)
            sgap = sgap.lo
       end