diff --git a/build.sh b/build.sh
index ac52a8a7921f440d89cd7969213a25a87e794b20..0ca1f6cd5d577b8f4bbdfe29aebac76e780cac7c 100755
--- a/build.sh
+++ b/build.sh
@@ -20,6 +20,7 @@ fi
 if [ x"$hostname" == x"cifarm-mac-node.mpi-cbg.de"  ]; then
         echo "Mac node"
         export PATH="$HOME/openfpm_dependencies/openfpm_devices/CMAKE/CMAKE/bin:$PATH"
+	rm -rf $HOME/openfpm_dependencies/openfpm_devices/BOOST
 fi
 
 mkdir src/config
diff --git a/install_BOOST.sh b/install_BOOST.sh
index d080b347e8710c4caa5098d820ec6b15796827d0..d463c5de285c01f93ad7e3a62e861aef21348f73 100755
--- a/install_BOOST.sh
+++ b/install_BOOST.sh
@@ -12,7 +12,7 @@ fi
 
 rm boost_1_75_0.tar.bz2
 wget http://ppmcore.mpi-cbg.de/upload/boost_1_75_0.tar.bz2
-tar -xvf boost_1_75_0.tar.bz2
+tar -xf boost_1_75_0.tar.bz2
 cd boost_1_75_0
 if [ x"$4" != x"" ]; then
 	if [ -f $HOME/user-config.jam ]; then