diff --git a/app/javascript/mastodon/features/interaction_modal/index.jsx b/app/javascript/mastodon/features/interaction_modal/index.jsx
index 6e17ab0194..6b6768ac32 100644
--- a/app/javascript/mastodon/features/interaction_modal/index.jsx
+++ b/app/javascript/mastodon/features/interaction_modal/index.jsx
@@ -250,6 +250,9 @@ class LoginForm extends React.PureComponent {
             onFocus={this.handleFocus}
             onBlur={this.handleBlur}
             onKeyDown={this.handleKeyDown}
+            autocomplete='off'
+            autocapitalize='off'
+            spellcheck='false'
           />
 
           <Button onClick={this.handleSubmit} disabled={isSubmitting}><FormattedMessage id='interaction_modal.login.action' defaultMessage='Take me home' /></Button>