diff --git a/src/schemas/config.ts b/src/schemas/config.ts
index 4f7deb6..6cffa2c 100644
--- a/src/schemas/config.ts
+++ b/src/schemas/config.ts
@@ -4,6 +4,11 @@ import Joi from "joi";
 export const gameOptionsSchema = Joi.object({
 	files: Joi.object().required().min(1).unknown(true),
 	max_incorrect: Joi.number().min(1).default(6),
+	incorrect_solve_penalty: Joi
+		.number()
+		.min(0)
+		.max(Joi.ref(`max_incorrect`, { render: true }))
+		.default(1),
 })
 .meta({ className: `gameOptions` })
 .description(`The game-specific options`);