diff --git a/install_external.sh b/install_external.sh
index a83d0a5..a703a08 100755
--- a/install_external.sh
+++ b/install_external.sh
@@ -1,8 +1,7 @@
 #!/bin/bash
-
+set -e
 # install pyFoam as a regular user
 # fetch pyFoam
-cd ~
 svn co https://svn.code.sf.net/p/openfoam-extend/svn/trunk/Breeder/other/scripting/PyFoam/
 # move to installation directory
 cd PyFoam