diff --git a/SLA Industries 2ed/sheet.json b/SLA Industries 2ed/sheet.json
index 307a69677a..fc9d95b773 100644
--- a/SLA Industries 2ed/sheet.json	
+++ b/SLA Industries 2ed/sheet.json	
@@ -1,5 +1,5 @@
 {
-  "html": "sla.htm",
+  "html": "sla.html",
   "css": "sla.css",
   "authors": "PaulV",
   "roll20userid": "84040",