diff --git a/modules/zone/back/models/zone.json b/modules/zone/back/models/zone.json
index cf7371053..5b25e40d1 100644
--- a/modules/zone/back/models/zone.json
+++ b/modules/zone/back/models/zone.json
@@ -42,6 +42,9 @@
 		},
 		"itemMaxSize": {
 			"type": "number"
+		},
+		"itemMaxLength": {
+			"type": "number"
 		}
 	},
 	"relations": {