diff --git a/admin/renderer.php b/admin/renderer.php
index 57d4f98c76f..0c66010ed73 100644
--- a/admin/renderer.php
+++ b/admin/renderer.php
@@ -2080,7 +2080,7 @@ class core_admin_renderer extends plugin_renderer_base {
                         $errorline = true;
                     } else {
                         if ($status) {                                          //Handle ok result (ok)
-                            $status = get_string('ok');
+                            $status = get_string('statusok');
                         } else {
                             if ($environment_result->getLevel() == 'optional') {//Handle check result (warning)
                                 $status = get_string('check');
diff --git a/backup/util/helper/backup_cron_helper.class.php b/backup/util/helper/backup_cron_helper.class.php
index f21631d182e..ff7610398b9 100644
--- a/backup/util/helper/backup_cron_helper.class.php
+++ b/backup/util/helper/backup_cron_helper.class.php
@@ -202,7 +202,7 @@ abstract class backup_cron_automated_helper {
         $message .= get_string('summary') . "\n";
         $message .= "==================================================\n";
         $message .= '  ' . get_string('courses') . ': ' . array_sum($count) . "\n";
-        $message .= '  ' . get_string('ok') . ': ' . $count[self::BACKUP_STATUS_OK] . "\n";
+        $message .= '  ' . get_string('statusok') . ': ' . $count[self::BACKUP_STATUS_OK] . "\n";
         $message .= '  ' . get_string('skipped') . ': ' . $count[self::BACKUP_STATUS_SKIPPED] . "\n";
         $message .= '  ' . get_string('error') . ': ' . $count[self::BACKUP_STATUS_ERROR] . "\n";
         $message .= '  ' . get_string('unfinished') . ': ' . $count[self::BACKUP_STATUS_UNFINISHED] . "\n";
diff --git a/course/reset.php b/course/reset.php
index 412fe2b2f88..dba445de3b1 100644
--- a/course/reset.php
+++ b/course/reset.php
@@ -79,7 +79,7 @@ if ($mform->is_cancelled()) {
             $line = array();
             $line[] = $item['component'];
             $line[] = $item['item'];
-            $line[] = ($item['error']===false) ? get_string('ok') : '<div class="notifyproblem">'.$item['error'].'</div>';
+            $line[] = ($item['error'] === false) ? get_string('statusok') : '<div class="notifyproblem">'.$item['error'].'</div>';
             $data[] = $line;
         }
 
diff --git a/lib/classes/plugin_manager.php b/lib/classes/plugin_manager.php
index 8b75ead7947..30731d6f18a 100644
--- a/lib/classes/plugin_manager.php
+++ b/lib/classes/plugin_manager.php
@@ -1320,7 +1320,7 @@ class core_plugin_manager {
             return false;
         }
 
-        $ok = get_string('ok', 'core');
+        $ok = get_string('statusok', 'core');
 
         // Let admins know they can expect more verbose output.
         $silent or $this->mtrace(get_string('packagesdebug', 'core_plugin'), PHP_EOL, DEBUG_NORMAL);
diff --git a/report/backups/index.php b/report/backups/index.php
index 22b128859a8..ffd2145f80e 100644
--- a/report/backups/index.php
+++ b/report/backups/index.php
@@ -40,7 +40,7 @@ admin_externalpage_setup('reportbackups', '', null, '', array('pagelayout'=>'rep
 
 $strftimedatetime = get_string('strftimerecent');
 $strerror = get_string('error');
-$strok = get_string('ok');
+$strok = get_string('statusok');
 $strunfinished = get_string('unfinished');
 $strskipped = get_string('skipped');
 $strwarning = get_string('warning');