diff --git a/src/common/settings.json b/src/common/settings.json
index 5702450f7..5214f08b4 100644
--- a/src/common/settings.json
+++ b/src/common/settings.json
@@ -50,7 +50,7 @@
     "help": "List of the virtual hosts served by bunkerweb.",
     "id": "server-name",
     "label": "Server name",
-    "regex": "^(((?!.*\\.\\.)(?![^\\s]{256,})([A-Za-z0-9]([A-Za-z0-9\\-]*[A-Za-z0-9])?\\.)+[A-Za-z]{2,63})(?!.*\\s\\2(\\s|$)))?(\\s(((?!.*\\.\\.)(?![^\\s]{256,})([A-Za-z0-9]([A-Za-z0-9\\-]*[A-Za-z0-9])?\\.)+[A-Za-z]{2,63}))(?!.*\\s\\5(\\s|$)))*$",
+    "regex": "^((?!.*\\.\\.)([^\\s]{1,256})(?!.*\\s\\2(\\s|$)))?(\\s(((?!.*\\.\\.))([^\\s]{1,256})(?!.*\\s\\7(\\s|$))))*$",
     "type": "text"
   },
   "WORKER_PROCESSES": {