diff --git a/prismarine-viewer/viewer/lib/mesher/models.ts b/prismarine-viewer/viewer/lib/mesher/models.ts
index ab77d516..c978c240 100644
--- a/prismarine-viewer/viewer/lib/mesher/models.ts
+++ b/prismarine-viewer/viewer/lib/mesher/models.ts
@@ -624,7 +624,7 @@ export function getSectionGeometry (sx, sy, sz, world: World) {
   delete attr.t_uvs
 
   attr.positions = new Float32Array(attr.positions) as any
-  attr.normals = new Int8Array(attr.normals) as any
+  attr.normals = new Float32Array(attr.normals) as any
   attr.colors = new Float32Array(attr.colors) as any
   attr.uvs = new Float32Array(attr.uvs) as any