diff --git a/doc.zih.tu-dresden.de/docs/software/fem_software.md b/doc.zih.tu-dresden.de/docs/software/fem_software.md
index 5d591d21d5e14f63285ad701ec824267050b09c1..41faa8132fa90674b4284eeb009ab41cdc1812d9 100644
--- a/doc.zih.tu-dresden.de/docs/software/fem_software.md
+++ b/doc.zih.tu-dresden.de/docs/software/fem_software.md
@@ -256,6 +256,7 @@ marie@node$ KMP_AFFINITY=none mapdl -machines $NODELIST
 #SBATCH --output=output_ansys_mapdl
 #SBATCH --time=01:00:00
 
+module purge
 module load ANSYS/2021R2
 
 # generate node list