diff --git a/src/davidson/EZFIO.cfg b/src/davidson/EZFIO.cfg
index 8696d72e..e1ddddae 100644
--- a/src/davidson/EZFIO.cfg
+++ b/src/davidson/EZFIO.cfg
@@ -68,5 +68,5 @@ interface: ezfio,provider,ocaml
 type: Threshold
 doc: Thresholds of non-symetric Davidson's algorithm 
 interface: ezfio,provider,ocaml
-default: 1.e-6
+default: 1.e-10