diff --git a/src/pages/Index.tsx b/src/pages/Index.tsx
index 6e570c2..0c05a82 100644
--- a/src/pages/Index.tsx
+++ b/src/pages/Index.tsx
@@ -6,6 +6,7 @@ import { useModelStore } from '@/stores/useModelStore';
 import { toast } from 'sonner';
 import { getSupportedExtension, convertToGLB, ACCEPTED_EXTENSIONS } from '@/lib/convertToGLB';
 import { convertIFCtoGLB } from '@/lib/convertIFC';
+import { validateModelFile, MAX_MODEL_BYTES } from '@/lib/validateModelFile';
 import { CloudLoader } from '@/components/CloudLoader';
 import { SceneModelList } from '@/components/SceneModelList';