diff --git a/src/cipsi/cipsi.irp.f b/src/cipsi/cipsi.irp.f
index 7e292d6e..ba922c49 100644
--- a/src/cipsi/cipsi.irp.f
+++ b/src/cipsi/cipsi.irp.f
@@ -13,6 +13,7 @@ subroutine run_cipsi
   rss = memory_of_double(N_states)*4.d0
   call check_mem(rss,irp_here)
 
+  N_iter = 1
   allocate (pt2(N_states), zeros(N_states), rpt2(N_states), norm(N_states), variance(N_states))
 
   double precision               :: hf_energy_ref
diff --git a/src/cipsi/stochastic_cipsi.irp.f b/src/cipsi/stochastic_cipsi.irp.f
index ae2b7519..4f968ef7 100644
--- a/src/cipsi/stochastic_cipsi.irp.f
+++ b/src/cipsi/stochastic_cipsi.irp.f
@@ -12,6 +12,7 @@ subroutine run_stochastic_cipsi
   double precision, external :: memory_of_double
   PROVIDE H_apply_buffer_allocated N_generators_bitmask
 
+  N_iter = 1
   threshold_generators = 1.d0
   SOFT_TOUCH threshold_generators