diff --git a/build.sh b/build.sh
index 93617a55df32f91d3bee2cc1eb7b52e1fa3ec694..ffbe7e85d747dff00a7f4ad63def47a257312cea 100755
--- a/build.sh
+++ b/build.sh
@@ -29,8 +29,11 @@ then
    echo 1 > $HOME/$5/MPI/version
  fi
 
- source ~/.bashrc
  module load gcc/4.9.2
+ ### Activate MPI ###
+
+ export PATH="$PATH:$HOME/$5/MPI/bin"
+
  mkdir $HOME/$5
  if [ x"$4" == x"full" ]; then
   ./install -i $HOME/$5  -s -c "--prefix=/home/jenkins/openfpm_install"