diff --git a/install_external.sh b/install_external.sh
index 0426e8f..a83d0a5 100755
--- a/install_external.sh
+++ b/install_external.sh
@@ -8,4 +8,5 @@ svn co https://svn.code.sf.net/p/openfoam-extend/svn/trunk/Breeder/other/scripti
 cd PyFoam
 python setup.py install
 cd ..
+source /opt/openfoam222/etc/bashrc
 python check_PyFoam.py