diff --git a/src/Loader.php b/src/Loader.php
index 071888f..c01b167 100644
--- a/src/Loader.php
+++ b/src/Loader.php
@@ -115,7 +115,7 @@ function is_graphql_request()
 		if ( isset( $_SERVER['HTTP_HOST'] ) && isset( $_SERVER['REQUEST_URI'] ) ) {
 			$haystack = wp_unslash( $_SERVER['HTTP_HOST'] )
 				. wp_unslash( $_SERVER['REQUEST_URI'] );
-			$needle   = site_url( self::$route );
+			$needle   = site_url( \WPGraphQL\Router::$route );
 			// Strip protocol.
 			$haystack = preg_replace( '#^(http(s)?://)#', '', $haystack );
 			$needle   = preg_replace( '#^(http(s)?://)#', '', $needle );