diff --git a/client/coral-ui/components/TextField.js b/client/coral-ui/components/TextField.js
index 6cbb7a06b..2ba23e6e8 100644
--- a/client/coral-ui/components/TextField.js
+++ b/client/coral-ui/components/TextField.js
@@ -27,11 +27,14 @@ const TextField = ({
 );
 
 TextField.propTypes = {
+  id: PropTypes.string,
   label: PropTypes.string,
   value: PropTypes.string,
   onChange: PropTypes.func,
   errorMsg: PropTypes.string,
   type: PropTypes.string,
+  className: PropTypes.string,
+  showErrors: PropTypes.bool,
 };
 
 export default TextField;
diff --git a/plugins/talk-plugin-auth/client/login/components/SignUp.js b/plugins/talk-plugin-auth/client/login/components/SignUp.js
index cc49e7391..83f81f81d 100644
--- a/plugins/talk-plugin-auth/client/login/components/SignUp.js
+++ b/plugins/talk-plugin-auth/client/login/components/SignUp.js
@@ -75,6 +75,7 @@ class SignUp extends React.Component {
                 showErrors={!!emailError}
                 errorMsg={emailError}
                 onChange={this.handleEmailChange}
+                autocomplete="off"
               />
               <TextField
                 id="username"
@@ -85,6 +86,8 @@ class SignUp extends React.Component {
                 showErrors={!!usernameError}
                 errorMsg={usernameError}
                 onChange={this.handleUsernameChange}
+                autocomplete="off"
+                autocapitalize="none"
               />
               <TextField
                 id="password"
@@ -96,6 +99,7 @@ class SignUp extends React.Component {
                 errorMsg={passwordError}
                 onChange={this.handlePasswordChange}
                 minLength="8"
+                autocomplete="off"
               />
               {passwordError && (
                 <span className={styles.hint}>
@@ -113,6 +117,7 @@ class SignUp extends React.Component {
                 errorMsg={passwordRepeatError}
                 onChange={this.handlePasswordRepeatChange}
                 minLength="8"
+                autocomplete="off"
               />
               <Slot
                 fill="talkPluginAuth.formField"