diff --git a/scripts/eosio_build.sh b/scripts/eosio_build.sh
index d3128903097..a97ceaa5058 100755
--- a/scripts/eosio_build.sh
+++ b/scripts/eosio_build.sh
@@ -30,9 +30,8 @@
 # https://github.com/EOSIO/eos/blob/master/LICENSE
 ##########################################################################
 
-VERSION=2.1 # Build script version
+VERSION=2.2 # Build script version
 CMAKE_BUILD_TYPE=Release
-export DISK_MIN=20
 DOXYGEN=false
 ENABLE_COVERAGE_TESTING=false
 CORE_SYMBOL_NAME="SYS"
@@ -75,6 +74,7 @@ export LLVM_DIR=${LLVM_ROOT}/lib/cmake/llvm
 export DOXYGEN_VERSION=1_8_14
 export DOXYGEN_ROOT=${SRC_LOCATION}/doxygen-${DOXYGEN_VERSION}
 export TINI_VERSION=0.18.0
+export DISK_MIN=5
 
 # Setup directories
 mkdir -p $SRC_LOCATION
diff --git a/scripts/eosio_build_centos.sh b/scripts/eosio_build_centos.sh
index 8e7044001ab..621001d0a97 100755
--- a/scripts/eosio_build_centos.sh
+++ b/scripts/eosio_build_centos.sh
@@ -160,9 +160,10 @@ else
 	printf " - No required YUM dependencies to install.\\n\\n"
 fi
 
-if [ -d /opt/rh/rh-python36 ]; then
+export PYTHON3PATH="/opt/rh/rh-python36"
+if [ -d $PYTHON3PATH ]; then
 	printf "Enabling python36...\\n"
-	source /opt/rh/rh-python36/enable || exit 1
+	source $PYTHON3PATH/enable || exit 1
 	printf " - Python36 successfully enabled!\\n"
 fi
 
@@ -190,7 +191,7 @@ if [ $? -ne 0 ]; then exit -1; fi
 printf "\\n"
 
 
-export CPATH="$CPATH:/opt/rh/rh-python36/root/usr/include/python3.6m" # m on the end causes problems with boost finding python3
+export CPATH="${CPATH}:${PYTHON3PATH}/root/usr/include/python3.6m" # m on the end causes problems with boost finding python3
 printf "Checking Boost library (${BOOST_VERSION}) installation...\\n"
 BOOSTVERSION=$( grep "#define BOOST_VERSION" "$HOME/opt/boost/include/boost/version.hpp" 2>/dev/null | tail -1 | tr -s ' ' | cut -d\  -f3 )
 if [ "${BOOSTVERSION}" != "${BOOST_VERSION_MAJOR}0${BOOST_VERSION_MINOR}0${BOOST_VERSION_PATCH}" ]; then
@@ -299,7 +300,7 @@ cd ..
 printf "\\n"
 
 function print_instructions() {
-	printf "source /opt/rh/python33/enable\\n"
+	printf "source ${PYTHON3PATH}/enable\\n"
 	printf "source /opt/rh/devtoolset-7/enable\\n"
 	return 0
 }