diff --git a/src/components/ModelViewer.tsx b/src/components/ModelViewer.tsx
index 18aa930..0289cd8 100644
--- a/src/components/ModelViewer.tsx
+++ b/src/components/ModelViewer.tsx
@@ -103,6 +103,7 @@ const MeshMaterialManager = ({ mesh, sceneObj, textureCache }: MeshMaterialManag
               tex.name = url;
               if (type === 'map') tex.colorSpace = THREE.SRGBColorSpace;
               tex.wrapS = tex.wrapT = THREE.RepeatWrapping;
+              tex.flipY = false;
               
               textureCache.current.set(url, tex);
               activeMat[type] = tex;