diff --git a/src/cis/EZFIO.cfg b/src/cis/EZFIO.cfg
index 7e0eeb03..955d1bef 100644
--- a/src/cis/EZFIO.cfg
+++ b/src/cis/EZFIO.cfg
@@ -5,4 +5,3 @@ interface: ezfio
 size: (determinants.n_states)
 
 
-
diff --git a/src/cis/cis.irp.f b/src/cis/cis.irp.f
index acec29c2..5001041e 100644
--- a/src/cis/cis.irp.f
+++ b/src/cis/cis.irp.f
@@ -79,6 +79,6 @@ subroutine run
   call ezfio_set_cis_energy(CI_energy)
   psi_coef = ci_eigenvectors
   SOFT_TOUCH psi_coef
-  call save_wavefunction_truncated(1.d-12)
+  call save_wavefunction_truncated(ci_threshold)
 
 end
diff --git a/src/cisd/cisd.irp.f b/src/cisd/cisd.irp.f
index 6c55e2ff..3ad81fef 100644
--- a/src/cisd/cisd.irp.f
+++ b/src/cisd/cisd.irp.f
@@ -63,7 +63,7 @@ subroutine run
   endif
   psi_coef = ci_eigenvectors
   SOFT_TOUCH psi_coef
-  call save_wavefunction
+  call save_wavefunction_truncated(ci_threshold)
   call ezfio_set_cisd_energy(CI_energy)
 
   do i = 1,N_states
diff --git a/src/determinants/EZFIO.cfg b/src/determinants/EZFIO.cfg
index 662c6fbb..12fe06ac 100644
--- a/src/determinants/EZFIO.cfg
+++ b/src/determinants/EZFIO.cfg
@@ -136,3 +136,9 @@ doc: If |true|, discard any Slater determinants with an interaction smaller than
 interface: ezfio,provider,ocaml
 default: False
 
+[ci_threshold]
+type: Threshold
+doc: Cut-off to apply to the CI coefficients when the wave function is stored
+interface: ezfio,provider,ocaml
+default: 0.
+