diff --git a/data.json b/data.json
index 250f3940..1fedcea4 100644
--- a/data.json
+++ b/data.json
@@ -570,7 +570,7 @@
   },
   "Mastodon": {
     "url": "https://mstdn.io/@{}",
-    "urlMain": "https://mstdn.io",
+    "urlMain": "https://mstdn.io/",
     "errorType": "status_code"
   }
 }