diff --git a/index.php b/index.php
index 70842fe..c3477e5 100644
--- a/index.php
+++ b/index.php
@@ -49,7 +49,7 @@ abstract class BaseModel {
     
     abstract public static function Initialize();
 }
-interface IJobSql implements ISqlBase {
+interface IJobSql extends ISqlBase {
     public function GetLast10(): string;
 }
 class JobSql implements IJobSql {