diff --git a/schema.sql b/schema.sql
index 5c7c4c7..096c278 100644
--- a/schema.sql
+++ b/schema.sql
@@ -608,7 +608,7 @@ CREATE TABLE IF NOT EXISTS `planete` (
   `isolement` varchar(255) COLLATE utf8_unicode_ci NOT NULL DEFAULT '0',
   `nom_planete` varchar(255) COLLATE utf8_unicode_ci NOT NULL DEFAULT '',
   `moral` float NOT NULL DEFAULT 0.5,
-  `image` tinyint(4) NOT NULL DEFAULT 0,
+  `image` tinyint unsigned NOT NULL DEFAULT 0,
   `cases` int(11) NOT NULL DEFAULT 0,
   `debris_met` bigint(20) NOT NULL DEFAULT 0,
   `debris_cri` bigint(20) NOT NULL DEFAULT 0,