diff --git a/build.sh b/build.sh
index 7b87433eaadddc5939a2f461e2fd36b503df0c25..45d87ae55fa20809359a1d3020b875af1aed9cda 100755
--- a/build.sh
+++ b/build.sh
@@ -26,7 +26,7 @@ then
  if [ ! -d $HOME/$5/MPI ]; then
    echo "COPY MPICH"
    cp -R $HOME/MPI $HOME/$5/MPI
-   echo 1 > $HOME/$5/MPI/version
+   echo 2 > $HOME/$5/MPI/version
  fi
 
  ### Activate MPI and binutils ###