diff --git a/build.sh b/build.sh
index 809f37bfca018e0d9fa7b7e6de81925e2693f567..93617a55df32f91d3bee2cc1eb7b52e1fa3ec694 100755
--- a/build.sh
+++ b/build.sh
@@ -25,8 +25,8 @@ then
 
  if [ ! -d $HOME/$5/MPI ]; then
    echo "COPY MPICH"
-   echo 1 > $HOME/$5/MPI/version
    cp -R $HOME/MPI_base $HOME/$5/MPI
+   echo 1 > $HOME/$5/MPI/version
  fi
 
  source ~/.bashrc