diff --git a/assets/materials/sprite-mosaic.mtl b/assets/materials/sprite-mosaic.mtl
index 08d93ec..fea06f2 100644
--- a/assets/materials/sprite-mosaic.mtl
+++ b/assets/materials/sprite-mosaic.mtl
@@ -11,7 +11,7 @@
     "USE_MOSAIC": true
   },
   "_props": {
-    "xBlockCount": 50,
-    "yBlockCount": 50
+    "xBlockCount": 40,
+    "yBlockCount": 40
   }
 }
\ No newline at end of file