diff --git a/httomo/cli.py b/httomo/cli.py
index 8cfd9a3d1..9817763fa 100644
--- a/httomo/cli.py
+++ b/httomo/cli.py
@@ -267,6 +267,8 @@ def run(
     if global_comm.rank == 0:
         initialise_output_directory(pipeline, does_contain_sweep)
 
+    global_comm.Barrier()
+
     setup_logger(Path(httomo.globals.run_out_dir))
 
     # Convert string to enum