diff --git a/Blood and Gold/sheet.json b/Blood and Gold/sheet.json
index 3c5701a027..4585ad929b 100644
--- a/Blood and Gold/sheet.json	
+++ b/Blood and Gold/sheet.json	
@@ -2,7 +2,7 @@
   "html": "bloodandgold.html",
   "css": "bloodandgold.css",
   "authors": "Rodney Nedlose",
-  "preview": "Blood and Gold.PNG",
+  "preview": "Blood and Gold.png",
   "instructions": "A sheet for use with my indie RPG game Blood and Gold: Fantasy Adventure Game.",
   "legacy": true
 }
\ No newline at end of file