diff --git a/lib/experimental/class-wp-rest-navigation-fallback-controller.php b/lib/experimental/class-wp-rest-navigation-fallback-controller.php
index 3cdbdb3fa67105..ebc1e5b9ff06a7 100644
--- a/lib/experimental/class-wp-rest-navigation-fallback-controller.php
+++ b/lib/experimental/class-wp-rest-navigation-fallback-controller.php
@@ -33,7 +33,7 @@ class WP_REST_Navigation_Fallback_Controller extends WP_REST_Controller {
 	 */
 	public function __construct() {
 		$this->namespace = 'wp-block-editor/v1';
-		$this->rest_base = 'navigation-fallbacks';
+		$this->rest_base = 'navigation-fallback';
 		$this->post_type = 'wp_navigation';
 	}
 
@@ -121,7 +121,7 @@ public function get_item_schema() {
 
 		$this->schema = array(
 			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'navigation-fallbacks',
+			'title'      => 'navigation-fallback',
 			'type'       => 'object',
 			'properties' => array(
 				'id' => array(
diff --git a/packages/block-library/src/navigation/edit/index.js b/packages/block-library/src/navigation/edit/index.js
index 49c7378a91653f..f90bf313ff2f6f 100644
--- a/packages/block-library/src/navigation/edit/index.js
+++ b/packages/block-library/src/navigation/edit/index.js
@@ -229,7 +229,7 @@ function Navigation( {
 			return;
 		}
 
-		apiFetch( { path: '/wp-block-editor/v1/navigation-fallbacks' } )
+		apiFetch( { path: '/wp-block-editor/v1/navigation-fallback' } )
 			.then( ( fallbackNavigationMenu ) => {
 				if ( ! fallbackNavigationMenu?.id ) {
 					showNavigationMenuStatusNotice(
diff --git a/phpunit/class-wp-rest-navigation-fallback-controller-test.php b/phpunit/class-wp-rest-navigation-fallback-controller-test.php
index 3b6a8f7adc0224..1cdedb568a5cd7 100644
--- a/phpunit/class-wp-rest-navigation-fallback-controller-test.php
+++ b/phpunit/class-wp-rest-navigation-fallback-controller-test.php
@@ -41,7 +41,7 @@ public function set_up() {
 	public function test_register_routes() {
 		$routes = rest_get_server()->get_routes();
 
-		$this->assertArrayHasKey( '/wp-block-editor/v1/navigation-fallbacks', $routes, 'Fallback route should be registered.' );
+		$this->assertArrayHasKey( '/wp-block-editor/v1/navigation-fallback', $routes, 'Fallback route should be registered.' );
 	}
 
 	/**
@@ -53,7 +53,7 @@ public function test_should_not_return_menus_for_users_without_permissions() {
 
 		wp_set_current_user( self::$editor_user );
 
-		$request  = new WP_REST_Request( 'GET', '/wp-block-editor/v1/navigation-fallbacks' );
+		$request  = new WP_REST_Request( 'GET', '/wp-block-editor/v1/navigation-fallback' );
 		$response = rest_get_server()->dispatch( $request );
 		$data     = $response->get_data();
 
@@ -71,7 +71,7 @@ public function test_should_not_return_menus_for_users_without_permissions() {
 	 */
 	public function test_get_item() {
 
-		$request  = new WP_REST_Request( 'GET', '/wp-block-editor/v1/navigation-fallbacks' );
+		$request  = new WP_REST_Request( 'GET', '/wp-block-editor/v1/navigation-fallback' );
 		$response = rest_get_server()->dispatch( $request );
 		$data     = $response->get_data();
 
@@ -96,7 +96,7 @@ public function test_get_item() {
 	 * @since 6.3.0 Added Navigation Fallbacks endpoint.
 	 */
 	public function test_get_item_schema() {
-		$request  = new WP_REST_Request( 'OPTIONS', '/wp-block-editor/v1/navigation-fallbacks' );
+		$request  = new WP_REST_Request( 'OPTIONS', '/wp-block-editor/v1/navigation-fallback' );
 		$response = rest_get_server()->dispatch( $request );
 		$data     = $response->get_data();
 
@@ -119,7 +119,7 @@ public function test_get_item_schema() {
 	 * @since 6.3.0 Added Navigation Fallbacks endpoint.
 	 */
 	public function test_adds_links() {
-		$request  = new WP_REST_Request( 'GET', '/wp-block-editor/v1/navigation-fallbacks' );
+		$request  = new WP_REST_Request( 'GET', '/wp-block-editor/v1/navigation-fallback' );
 		$response = rest_get_server()->dispatch( $request );
 		$data     = $response->get_data();