diff --git a/src/SchemaItem.ts b/src/SchemaItem.ts
index 1ef8d70..4085927 100644
--- a/src/SchemaItem.ts
+++ b/src/SchemaItem.ts
@@ -95,7 +95,7 @@ export default abstract class SchemaItem<Type = any> implements StandardSchemaV1
 	}
 
 	public attrs(...attributes: Array<string>) {
-		this.attributes.concat(attributes)
+		this.attributes.push(...attributes)
 		return this
 	}