diff --git a/ManufacturingSimulation/OpenFOAM-v1906/build.sh b/ManufacturingSimulation/OpenFOAM-v1906/build.sh
index 69a232bb4071aa4a7e80d65de6940944f92cdf9b..79af6495d2fb6d5588629e9ee7536f1e3e9d82c0 100644
--- a/ManufacturingSimulation/OpenFOAM-v1906/build.sh
+++ b/ManufacturingSimulation/OpenFOAM-v1906/build.sh
@@ -23,6 +23,7 @@ buildpath=$(create_dir $1)
 installpath=$(create_dir $2)
 
 yum install -y m4 environment-modules systemd-devel
+source /etc/profile
 module purge
 
 set -e