diff --git a/LifeSciences/eigensoft-7.2.1/build.sh b/LifeSciences/eigensoft-7.2.1/build.sh
index 8470df9e2e6f3499fedba3cd4b8d226b572083cd..cb37bd060e2546b396567f8922d041ced08a6601 100644
--- a/LifeSciences/eigensoft-7.2.1/build.sh
+++ b/LifeSciences/eigensoft-7.2.1/build.sh
@@ -22,6 +22,7 @@ buildpath=$(create_dir $1)
 installpath=$(create_dir $2)
 
 yum install -y m4 environment-modules systemd-devel gcc make
+source /etc/profile
 module purge
 
 set -e