diff --git a/srcs/requirements/nestjs/api_back/src/auth/42/authentication.service.ts b/srcs/requirements/nestjs/api_back/src/auth/42/authentication.service.ts
index 591d7f9d..b338ce7b 100644
--- a/srcs/requirements/nestjs/api_back/src/auth/42/authentication.service.ts
+++ b/srcs/requirements/nestjs/api_back/src/auth/42/authentication.service.ts
@@ -42,7 +42,10 @@ export class AuthenticationService {
 	}
 
 	async generate2FaSecret(user : User) {
-		const secret = authenticator.generateSecret();
+		let secret : string;
+		secret = user.secretTwoFactorAuth;
+		if (!user.secretTwoFactorAuth)
+			secret = authenticator.generateSecret();
 		const otpauth = authenticator.keyuri(user.email, process.env.TWO_FACTOR_AUTHENTICATION_APP_NAME, secret);
 		await this.userService.setAuthenticatorSecret(user.id, secret);
 		return { secret, otpauth };