diff --git a/docs.it4i/general/slurm-job-submission-and-execution.md b/docs.it4i/general/slurm-job-submission-and-execution.md
index 5524b2c579c7856df63523ceb704632b1e6f66c7..85c79afeee8d23a267a5973ad116070f37df2ba9 100644
--- a/docs.it4i/general/slurm-job-submission-and-execution.md
+++ b/docs.it4i/general/slurm-job-submission-and-execution.md
@@ -98,6 +98,7 @@ Create example job script called script.sh with the following content:
 #SBATCH --ntasks-per-node 36
 #SBATCH --time 12:00:00
 
+ml purge
 ml OpenMPI/4.1.4-GCC-11.3.0
 
 srun hostname | sort | uniq -c