diff --git a/functions.tf b/functions.tf
index fd80ece59bcdec99fe8495eec5a18ff04b4025d3..6c0a98b6100882bd8453f1187cbd753a3fe3ec17 100644
--- a/functions.tf
+++ b/functions.tf
@@ -7,7 +7,7 @@ locals {
     "nextcloud",
     "notify",
     "autoconfig",
-    "mta_sta",
+    "mta_sts",
     "www",
     "myip",
     "kodi",