diff --git a/src/wp-admin/network/user-new.php b/src/wp-admin/network/user-new.php
index 93b27a677e..6a0d02cd02 100644
--- a/src/wp-admin/network/user-new.php
+++ b/src/wp-admin/network/user-new.php
@@ -89,7 +89,7 @@ if ( isset( $add_user_errors ) && is_wp_error( $add_user_errors ) ) { ?>
 	<table class="form-table">
 		<tr class="form-field form-required">
 			<th scope="row"><label for="username"><?php _e( 'Username' ) ?></label></th>
-			<td><input type="text" class="regular-text" name="user[username]" id="username" /></td>
+			<td><input type="text" class="regular-text" name="user[username]" id="username" autocapitalize="none" autocorrect="off" /></td>
 		</tr>
 		<tr class="form-field form-required">
 			<th scope="row"><label for="email"><?php _e( 'Email' ) ?></label></th>
diff --git a/src/wp-admin/user-new.php b/src/wp-admin/user-new.php
index 47e3b6c0a2..785bee92cf 100644
--- a/src/wp-admin/user-new.php
+++ b/src/wp-admin/user-new.php
@@ -362,7 +362,7 @@ $new_user_ignore_pass = $creating && isset( $_POST['noconfirmation'] ) ? wp_unsl
 <table class="form-table">
 	<tr class="form-field form-required">
 		<th scope="row"><label for="user_login"><?php _e('Username'); ?> <span class="description"><?php _e('(required)'); ?></span></label></th>
-		<td><input name="user_login" type="text" id="user_login" value="<?php echo esc_attr($new_user_login); ?>" aria-required="true" /></td>
+		<td><input name="user_login" type="text" id="user_login" value="<?php echo esc_attr( $new_user_login ); ?>" aria-required="true" autocapitalize="none" autocorrect="off" /></td>
 	</tr>
 	<tr class="form-field form-required">
 		<th scope="row"><label for="email"><?php _e('E-mail'); ?> <span class="description"><?php _e('(required)'); ?></span></label></th>