diff --git a/api/models/authentication/ForgotPasswordForm.php b/api/models/authentication/ForgotPasswordForm.php
index a947f82..051decb 100644
--- a/api/models/authentication/ForgotPasswordForm.php
+++ b/api/models/authentication/ForgotPasswordForm.php
@@ -51,6 +51,7 @@ class ForgotPasswordForm extends ApiForm {
         }
 
         $validator = new TotpValidator(['account' => $account]);
+        $validator->window = 1;
         $validator->validateAttribute($this, $attribute);
     }
 
diff --git a/api/models/authentication/LoginForm.php b/api/models/authentication/LoginForm.php
index 044c4ee..3b6e463 100644
--- a/api/models/authentication/LoginForm.php
+++ b/api/models/authentication/LoginForm.php
@@ -69,6 +69,7 @@ class LoginForm extends ApiForm {
         }
 
         $validator = new TotpValidator(['account' => $account]);
+        $validator->window = 1;
         $validator->validateAttribute($this, $attribute);
     }