diff --git a/src/one-body-sample.parset b/src/one-body-sample.parset
index 6abe52255cd0e00f70217d4c35e2cc5c98551df5..b5c63002ea3394d5fa3b3b8a074f5fdc5dc6885e 100644
--- a/src/one-body-sample.parset
+++ b/src/one-body-sample.parset
@@ -29,8 +29,8 @@ tolerance = 1e-10
 
 [solver.tnnmg]
 maxiterations = 1000000
-fixed_point_iterations = 20
-fixed_point_tolerance = 1e-10
+fixed_point_iterations = 1000
+fixed_point_tolerance = 1e-12
 
 [solver.tnnmg.linear]
 maxiterations = 1000000
@@ -60,7 +60,7 @@ acceptFactor = 1.0
 requiredResidual = 1e-12
 
 [boundary.friction]
-normalstress = 10000000
+normalstress = 5000000
 # "Most dry materials in combination have friction coefficient values
 #  between 0.3 and 0.6"
 # -- http://en.wikipedia.org/wiki/Friction#Coefficient_of_friction