diff --git a/lib/WP_Auth0_Lock10_Options.php b/lib/WP_Auth0_Lock10_Options.php
index b1197a24..8c8fcef2 100644
--- a/lib/WP_Auth0_Lock10_Options.php
+++ b/lib/WP_Auth0_Lock10_Options.php
@@ -204,6 +204,10 @@ public function get_lock_options() {
       $options_obj['disableSignupAction'] = true;
     }
 
+    if ( function_exists( 'login_header' ) && isset( $_GET['action'] ) && 'register' === $_GET['action'] ) {
+      $options_obj['initialScreen'] = 'signUp';
+    }
+
     return $options_obj;
   }