diff --git a/examples/jsm/loaders/GLTFLoader.js b/examples/jsm/loaders/GLTFLoader.js
index c13d0d415df47a..d8f9b80462f0ba 100644
--- a/examples/jsm/loaders/GLTFLoader.js
+++ b/examples/jsm/loaders/GLTFLoader.js
@@ -2544,7 +2544,7 @@ class GLTFParser {
 
 			assignExtrasToUserData( result, json );
 
-			Promise.all( parser._invokeAll( function ( ext ) {
+			return Promise.all( parser._invokeAll( function ( ext ) {
 
 				return ext.afterRoot && ext.afterRoot( result );