diff --git a/includes/openid-connect-generic-client-wrapper.php b/includes/openid-connect-generic-client-wrapper.php
index fcfc319d..69569311 100644
--- a/includes/openid-connect-generic-client-wrapper.php
+++ b/includes/openid-connect-generic-client-wrapper.php
@@ -111,8 +111,9 @@ public static function register( OpenID_Connect_Generic_Client $client, OpenID_C
 		}
 
 		if ( $settings->alternate_redirect_uri ) {
+			$redirect_uri = apply_filters( 'openid-connect-generic-alter-alternate-redirect-uri', 'openid-connect-authorize' );
 			// Provide an alternate route for authentication_request_callback.
-			add_rewrite_rule( '^openid-connect-authorize/?', 'index.php?openid-connect-authorize=1', 'top' );
+			add_rewrite_rule( '^' . $redirect_uri . '/?', 'index.php?openid-connect-authorize=1', 'top' );
 			add_rewrite_tag( '%openid-connect-authorize%', '1' );
 			add_action( 'parse_request', array( $client_wrapper, 'alternate_redirect_uri_parse_request' ) );
 		}
diff --git a/includes/openid-connect-generic-settings-page.php b/includes/openid-connect-generic-settings-page.php
index 070eb693..cc2ac98b 100644
--- a/includes/openid-connect-generic-settings-page.php
+++ b/includes/openid-connect-generic-settings-page.php
@@ -417,7 +417,8 @@ public function settings_page() {
 		$redirect_uri = admin_url( 'admin-ajax.php?action=openid-connect-authorize' );
 
 		if ( $this->settings->alternate_redirect_uri ) {
-			$redirect_uri = site_url( '/openid-connect-authorize' );
+			$redirect_uri = apply_filters( 'openid-connect-generic-alter-alternate-redirect-uri', 'openid-connect-authorize' );
+			$redirect_uri = site_url( '/' . $redirect_uri );
 		}
 		?>
 		<div class="wrap">
diff --git a/openid-connect-generic.php b/openid-connect-generic.php
index 7887dcc4..64c61b43 100644
--- a/openid-connect-generic.php
+++ b/openid-connect-generic.php
@@ -42,6 +42,7 @@
   - openid-connect-generic-alter-user-data     - modify user data before a new user is created
   - openid-connect-modify-token-response-before-validation - modify the token response before validation
   - openid-connect-modify-id-token-claim-before-validation - modify the token claim before validation
+  - openid-connect-generic-alter-alternate-redirect-uri  - modify the alternate redirect uri. Do not add starting or ending slash.
 
   Actions
   - openid-connect-generic-user-create        - 2 args: fires when a new user is created by this plugin
@@ -135,7 +136,8 @@ public function init() {
 		$redirect_uri = admin_url( 'admin-ajax.php?action=openid-connect-authorize' );
 
 		if ( $this->settings->alternate_redirect_uri ) {
-			$redirect_uri = site_url( '/openid-connect-authorize' );
+			$redirect_uri = apply_filters( 'openid-connect-generic-alter-alternate-redirect-uri', 'openid-connect-authorize' );
+			$redirect_uri = site_url( '/' . $redirect_uri );
 		}
 
 		$state_time_limit = 180;