diff --git a/src/octoprint/templates/navbar/login.jinja2 b/src/octoprint/templates/navbar/login.jinja2
index 9e47ab01..bc215b90 100644
--- a/src/octoprint/templates/navbar/login.jinja2
+++ b/src/octoprint/templates/navbar/login.jinja2
@@ -5,7 +5,7 @@
 <div id="login_dropdown_loggedout" style="padding: 15px" class="dropdown-menu" data-bind="css: {hide: loginState.loggedIn(), 'dropdown-menu': !loginState.loggedIn()}">
     <form id="loginForm" data-bind="event: {'submit': loginState.prepareLogin }">
         <label for="login_user">{{ _('Username') }}</label>
-        <input type="text" id="login_user" name="username" data-bind="valueWithInit: loginState.loginUser" placeholder="{{ _('Username') }}" autocapitalize="none">
+        <input type="text" id="login_user" name="username" data-bind="valueWithInit: loginState.loginUser" placeholder="{{ _('Username') }}" autocapitalize="none" autocorrect="off">
         <label for="login_pass">{{ _('Password') }}</label>
         <input type="password" id="login_pass" name="password" data-bind="valueWithInit: loginState.loginPass" placeholder="{{ _('Password') }}">
         <label class="checkbox">