diff --git a/Nahual/nahual.PNG b/Nahual/nahul.png
similarity index 100%
rename from Nahual/nahual.PNG
rename to Nahual/nahul.png
diff --git a/Nahual/sheet.json b/Nahual/sheet.json
index 6a63a95831..46caedada6 100644
--- a/Nahual/sheet.json
+++ b/Nahual/sheet.json
@@ -3,7 +3,7 @@
   "css": "nahual.css",
   "authors": "Roberto Martinez",
   "roll20userid": "505520",
-  "preview": "nahual.png",
+  "preview": "nahul.png",
   "instructions": "Choose your playbook or changarro. Write your name, choose your stats.",
   "legacy": true
 }
\ No newline at end of file