diff --git a/SL_orbit.jl b/SL_orbit.jl
index bc62a69..9dc7df8 100644
--- a/SL_orbit.jl
+++ b/SL_orbit.jl
@@ -89,11 +89,11 @@ function parse_commandline()
         "--tol"
             help = "set numerical tolerance for the SDP solver (default: 1e-5)"
             arg_type = Float64
-            default = 1e-5
+            default = 1e-14
         "--iterations"
             help = "set maximal number of iterations for the SDP solver (default: 20000)"
             arg_type = Int
-            default = 20000
+            default = 200000
         "--upper-bound"
             help = "Set an upper bound for the spectral gap (default: Inf)"
             arg_type = Float64