diff --git a/Civi/Install/Requirements.php b/Civi/Install/Requirements.php
index 4e94c8568cc3260812f95026d2fbfdd4b0d795fb..0381768218aca43d2adb5ac52b82ad088bf7930b 100644
--- a/Civi/Install/Requirements.php
+++ b/Civi/Install/Requirements.php
@@ -291,7 +291,7 @@ class Requirements {
    * @return array
    */
   public function checkMysqlVersion(array $db_config) {
-    $min = CRM_Upgrade_Incremental_General::MIN_INSTALL_MYSQL_VER;
+    $min = \CRM_Upgrade_Incremental_General::MIN_INSTALL_MYSQL_VER;
     $results = [
       'title' => 'CiviCRM MySQL Version',
       'severity' => $this::REQUIREMENT_OK,