diff --git a/app/templates/login.html b/app/templates/login.html
index 08b80a6..eced4ca 100644
--- a/app/templates/login.html
+++ b/app/templates/login.html
@@ -7,7 +7,7 @@
         <p>
             {{ form.username.label }}<br>
             {{ form.username(size=32) }}
-            { for error in form.username.errors %}
+            {% for error in form.username.errors %}
             <span style="color: red;">[{{ error }}]</span>
             {% endfor %}
         </p>