diff --git a/app/Repositories/User/UserRepository.php b/app/Repositories/User/UserRepository.php
index b599ad9857..5519e61867 100644
--- a/app/Repositories/User/UserRepository.php
+++ b/app/Repositories/User/UserRepository.php
@@ -379,9 +379,9 @@ class UserRepository implements UserRepositoryInterface
      * Set MFA code.
      *
      * @param User   $user
-     * @param string $code
+     * @param string|null $code
      */
-    public function setMFACode(User $user, string $code): void
+    public function setMFACode(User $user, ?string $code): void
     {
         $user->mfa_secret = $code;
         $user->save();
diff --git a/app/Repositories/User/UserRepositoryInterface.php b/app/Repositories/User/UserRepositoryInterface.php
index 235fb0a301..9e3bfdde9f 100644
--- a/app/Repositories/User/UserRepositoryInterface.php
+++ b/app/Repositories/User/UserRepositoryInterface.php
@@ -43,9 +43,9 @@ interface UserRepositoryInterface
      * Set MFA code.
      *
      * @param User $user
-     * @param string $code
+     * @param string|null $code
      */
-    public function setMFACode(User $user, string $code): void;
+    public function setMFACode(User $user, ?string $code): void;
 
     /**
      * Gives a user a role.