diff --git a/src/document/scene-document-validation.ts b/src/document/scene-document-validation.ts
index e3b5f7c9..45ed7f89 100644
--- a/src/document/scene-document-validation.ts
+++ b/src/document/scene-document-validation.ts
@@ -1739,6 +1739,8 @@ export function validateProjectDocument(
       );
     }
 
+    validateProjectSceneLoadingScreen(scene, scenePath, diagnostics);
+
     const sceneDocument = createSceneDocumentFromProject(
       document,
       sceneKey