diff --git a/processing/pipeline.py b/processing/pipeline.py
index e3369421..2ec84ebb 100755
--- a/processing/pipeline.py
+++ b/processing/pipeline.py
@@ -6,7 +6,7 @@
 
 """
 
-
+import argparse
 import os
 import json
 import glob
@@ -19,6 +19,12 @@
 from ibc_public.utils_data import get_subject_session
 from script_resample_normalized_data import resample_func_and_anat
 
+parser = argparse.ArgumentParser(description='Parameters for the logfiles')
+parser.add_argument('-s', '--session', metavar='SessionLabel', type=str,
+                    help="Session label, should be compliand with the "
+                         "ini files names.")
+args = parser.parse_args()
+
 
 def clean_anatomical_images(main_dir):
     """ Removed NaNs from SPM12-supplied images """
@@ -211,7 +217,7 @@ def run_subject_preproc(jobfile, subject, session=None):
     cache_dir = '/neurospin/tmp/ibc'
     prepare_derivatives(main_dir)
     do_topup = True
-    protocol = 'lpp1'
+    protocol = args.session
     subject_session = sorted(get_subject_session([protocol]))
     if do_topup:
         acq = None