diff --git a/vagrant/after.sh b/vagrant/after.sh
index cebbcd67d3..5980e5c334 100755
--- a/vagrant/after.sh
+++ b/vagrant/after.sh
@@ -1,12 +1,13 @@
 #!/bin/sh
 
+PHP_VERSION="7.2"
 PHPBB_PATH="/home/vagrant/phpbb"
 PHPBB_CONFIG="${PHPBB_PATH}/phpBB/config.php"
 PHPBB_INSTALL="${PHPBB_PATH}/vagrant/phpbb-install-config.yml"
 
 # Ensure composer deps are installed
 cd ${PHPBB_PATH}/phpBB
-php ../composer.phar install
+php${PHP_VERSION} ../composer.phar install
 
 # Backup and remove current config.php file
 if [ -e ${PHPBB_CONFIG} ]
@@ -16,7 +17,7 @@ then
 fi
 
 # Install phpBB
-php ${PHPBB_PATH}/phpBB/install/phpbbcli.php install ${PHPBB_INSTALL}
+php${PHP_VERSION} ${PHPBB_PATH}/phpBB/install/phpbbcli.php install ${PHPBB_INSTALL}
 
 # Add DEBUG mode to phpBB to remove annoying installer warnings
 echo "@define('DEBUG', true);" >> ${PHPBB_CONFIG}
@@ -25,12 +26,12 @@ echo "@define('DEBUG', true);" >> ${PHPBB_CONFIG}
 sed -i '/^.*PHPBB_ENVIRONMENT.*$/s/production/development/' ${PHPBB_CONFIG}
 
 # Update the PHP memory limits (enough to allow phpunit tests to run)
-sed -i "s/memory_limit = .*/memory_limit = 1024M/" /etc/php/7.2/fpm/php.ini
+sed -i "s/memory_limit = .*/memory_limit = 1024M/" /etc/php/${PHP_VERSION}/fpm/php.ini
 
 # Fix for urls with app.php
-sed -i "s/cgi.fix_pathinfo=.*/cgi.fix_pathinfo=1/" /etc/php/7.2/fpm/php.ini
+sed -i "s/cgi.fix_pathinfo=.*/cgi.fix_pathinfo=1/" /etc/php/${PHP_VERSION}/fpm/php.ini
 
 # Restart php-fpm to apply php.ini changes
-systemctl restart php7.2-fpm.service
+systemctl restart php${PHP_VERSION}-fpm.service
 
 echo "Your board is ready at http://192.168.10.10/"