diff --git a/models/TYLnep/TYLnep_500k_15_1.py b/models/TYLnep/TYLnep_500k_15_1.py
index 952199f08ff6e9c36b121641564277eee66bef29..6ed9d159fb63502435d7529ef04fc05b70e2542f 100644
--- a/models/TYLnep/TYLnep_500k_15_1.py
+++ b/models/TYLnep/TYLnep_500k_15_1.py
@@ -97,7 +97,8 @@ def parms(d={}):
     p['Young'] = 15000.      # [MPa]
     p['Poisson'] = 0.3       # [-]
 
-    p['dt0'] = 0.2       # [s]
+    p['dt0'] = 0.3       # [s]
+    p['tolNR'] = 1e-3    # [-]
 
     p.update(d)
     return p