diff --git a/src/fci/fci.irp.f b/src/fci/fci.irp.f
index 3bae1e45..6c836bb4 100644
--- a/src/fci/fci.irp.f
+++ b/src/fci/fci.irp.f
@@ -48,7 +48,7 @@ program fci
   else
     PROVIDE mo_two_e_integrals_in_map
 
-   !call run_slave_cipsi
+   call run_slave_cipsi
 
   endif
 end