diff --git a/es_extended.sql b/es_extended.sql
index e1d142fe..badf8f87 100644
--- a/es_extended.sql
+++ b/es_extended.sql
@@ -26,8 +26,8 @@ CREATE TABLE `job_grades` (
 	`name` varchar(255) NOT NULL,
 	`label` varchar(255) NOT NULL,
 	`salary` int(11) NOT NULL,
-	`skin_male` longtext NOT NULL DEFAULT '{}',
-	`skin_female` longtext NOT NULL DEFAULT '{}',
+	`skin_male` longtext NOT NULL,
+	`skin_female` longtext NOT NULL,
 
 	PRIMARY KEY (`id`)
 );