diff --git a/script/install_PETSC.sh b/script/install_PETSC.sh
index 7f50b15cd80b2e8ee56a1dc311ef9b5316a0c822..e545127ce906dfb4454531934f00da7e859bef71 100755
--- a/script/install_PETSC.sh
+++ b/script/install_PETSC.sh
@@ -35,6 +35,7 @@ fi
 
 if [ -d "$1/BOOST" ]; then  
   configure_options="$configure_options --with-boost=yes --with-boost-dir=$1/BOOST "
+  configure_trilinos_options="$configure_trilinos_options -D TPL_ENABLE_Boost=ON  -D TPL_ENABLE_BoostLib=ON  -D Boost_INCLUDE_DIRS=$1/BOOST/include -D BoostLib_LIBRARY_DIRS=$1/BOOST/lib -D BoostLib_INCLUDE_DIRS=$1/BOOST/include"
 fi
 
 if [ -d "$1/MPI" ]; then