diff --git a/plugins/talk-plugin-auth/client/login/components/SignUp.js b/plugins/talk-plugin-auth/client/login/components/SignUp.js
index 2a6de0c24..83f81f81d 100644
--- a/plugins/talk-plugin-auth/client/login/components/SignUp.js
+++ b/plugins/talk-plugin-auth/client/login/components/SignUp.js
@@ -87,6 +87,7 @@ class SignUp extends React.Component {
                 errorMsg={usernameError}
                 onChange={this.handleUsernameChange}
                 autocomplete="off"
+                autocapitalize="none"
               />
               <TextField
                 id="password"