diff --git a/Configuration/PyReleaseValidation/python/relval_steps.py b/Configuration/PyReleaseValidation/python/relval_steps.py
index 872d6ffb16fcb..94188657eb6ae 100644
--- a/Configuration/PyReleaseValidation/python/relval_steps.py
+++ b/Configuration/PyReleaseValidation/python/relval_steps.py
@@ -2086,7 +2086,7 @@ def lhegensim2018ml(fragment,howMuch):
                           '--process':'RECO',
                           '--datatier':'ALCARECO,DQMIO',
                           '--eventcontent':'ALCARECO,DQM',
-                          #'--customise':'Configuration/DataProcessing/RecoTLR.customiseExpress',
+                          '--customise':'Configuration/DataProcessing/RecoTLR.customisePrompt',
                           '--era':'Run3',
                           '--conditions':'auto:run3_data_prompt'
                           },steps['TIER0']])