diff --git a/src/lib/assets/formats.json b/src/lib/assets/formats.json
index ce70718ca4..7b82a58a05 100644
--- a/src/lib/assets/formats.json
+++ b/src/lib/assets/formats.json
@@ -70,7 +70,7 @@
   "cleffa": "LC",
   "clefairy": "NFE",
   "clefable": "OU",
-  "vulpix": "NFE",
+  "vulpix": "ZUBL",
   "vulpixalola": "NFE",
   "ninetales": "NU",
   "ninetalesalola": "UU",