diff --git a/admin/cli/install.php b/admin/cli/install.php
index b2f6cbcaa0a..3c52838b912 100644
--- a/admin/cli/install.php
+++ b/admin/cli/install.php
@@ -178,7 +178,7 @@ if (file_exists($CFG->dirroot.'/install/lang/'.$lang)) {
 
 if ($unrecognized) {
     $unrecognized = implode("\n  ", $unrecognized);
-    cli_error('cliunknowoption', 'admin', $unrecognized);
+    cli_error(get_string('cliunknowoption', 'admin', $unrecognized));
 }
 
 if ($options['help']) {
diff --git a/admin/cli/reset_password.php b/admin/cli/reset_password.php
index ee1a5b71e9a..749ef4de254 100644
--- a/admin/cli/reset_password.php
+++ b/admin/cli/reset_password.php
@@ -40,8 +40,8 @@ list($options, $unrecognized) = cli_get_params(array('help'=>false),
 $interactive = empty($options['non-interactive']);
 
 if ($unrecognized) {
-    $error = implode("\n  ", $unrecognized);
-    cli_error("Unrecognized options:\n  $error \n. Please use --help option."); // TODO: localize
+    $unrecognized = implode("\n  ", $unrecognized);
+    cli_error(get_string('cliunknowoption', 'admin', $unrecognized));
 }
 
 if ($options['help']) {
diff --git a/admin/cli/upgrade.php b/admin/cli/upgrade.php
index 7d1baadb1d9..afb50bbbe86 100644
--- a/admin/cli/upgrade.php
+++ b/admin/cli/upgrade.php
@@ -49,7 +49,7 @@ $interactive = empty($options['non-interactive']);
 
 if ($unrecognized) {
     $unrecognized = implode("\n  ", $unrecognized);
-    cli_error('cliunknowoption', 'admin', $unrecognized);
+    cli_error(get_string('cliunknowoption', 'admin', $unrecognized));
 }
 
 if ($options['help']) {