diff --git a/phpBB/config/installer/container/services_install_console.yml b/phpBB/config/installer/container/services_install_console.yml
index 6f931c5031..1c1b819e82 100644
--- a/phpBB/config/installer/container/services_install_console.yml
+++ b/phpBB/config/installer/container/services_install_console.yml
@@ -12,6 +12,7 @@ services:
             - @language
             - @installer.helper.iohandler_factory
             - @installer.installer.install
+            - @installer.helper.install_helper
         tags:
             - { name: console.installer.command }
 
diff --git a/phpBB/install_new/phpbbcli.php b/phpBB/install_new/phpbbcli.php
index 4c8034be4e..508d051945 100644
--- a/phpBB/install_new/phpbbcli.php
+++ b/phpBB/install_new/phpbbcli.php
@@ -12,8 +12,6 @@
 *
 */
 
-use Symfony\Component\Console\Input\ArgvInput;
-
 if (php_sapi_name() !== 'cli')
 {
 	echo 'This program must be run from the command line.' . PHP_EOL;
diff --git a/phpBB/language/en/install_new.php b/phpBB/language/en/install_new.php
index 923601b110..35153973de 100644
--- a/phpBB/language/en/install_new.php
+++ b/phpBB/language/en/install_new.php
@@ -305,3 +305,11 @@ $lang = array_merge($lang, array(
 
 	'INSTALLER_CONFIG_NOT_WRITABLE'	=> 'The installer config file is not writable.',
 ));
+
+// CLI messages
+$lang = array_merge($lang, array(
+	'CLI_INSTALL_BOARD'			=> 'Install phpBB',
+	'CLI_INSTALL_SHOW_CONFIG'		=> 'Show the configuration which will be used',
+	'CLI_INSTALL_VALIDATE_CONFIG'	=> 'Validate a configuration file',
+	'CLI_CONFIG_FILE'				=> 'Config file to use',
+));