diff --git a/src/misc/schema.ts b/src/misc/schema.ts
index 90d4c3b715..d27c9eff99 100644
--- a/src/misc/schema.ts
+++ b/src/misc/schema.ts
@@ -48,6 +48,7 @@ export const refs = {
 };
 
 export interface Schema extends SimpleSchema {
+	items?: Schema;
 	properties?: Obj;
 	ref?: keyof typeof refs;
 }