diff --git a/install_MPI_mpich.sh b/install_MPI_mpich.sh
index 5f4ff94469fba18b7be2b269102521331ae01a52..d346eb6fa90ce6970834fd451438b2329cdeb7ff 100755
--- a/install_MPI_mpich.sh
+++ b/install_MPI_mpich.sh
@@ -37,5 +37,5 @@ make -j $2
 make install
 
 # Mark the installation
-echo 5 > $1/MPI/version
+echo 6 > $1/MPI/version