diff --git a/README.md b/README.md
index 37ef3d0..5094c31 100644
--- a/README.md
+++ b/README.md
@@ -13,3 +13,12 @@ Repository to share code among the members of the SHM Working Group.
 - makelist.sh to get a list of failed jobs
 - getCrashedJobs.sh to get a list of failed Hydro events from the failed job list
 - resubmitHydro.sh to resubmit the failed events
+
+
+## To run ROOT on virgo-centos7:
+Add the following code into the script you call with sbatch:
+
+export ALIEN_SITE=GSI
+source /cvmfs/alice.cern.ch/etc/login.sh
+export ALIPHYSICS_VERSION=VO_ALICE@AliPhysics::vAN-20200206_ROOT6-1
+eval $(alienv printenv $ALIPHYSICS_VERSION)
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