diff --git a/SofarWechselrichter/form.json b/SofarWechselrichter/form.json
index ff73df2..3be1b2c 100644
--- a/SofarWechselrichter/form.json
+++ b/SofarWechselrichter/form.json
@@ -7,12 +7,7 @@
     {
       "type": "ValidationTextBox",
       "name": "IPAddress",
-      "caption": "Inverter IP-Adresse",
-      "validate": {
-        "required": true,
-        "pattern": "^((25[0-5]|2[0-4]\\d|[01]?\\d?\\d)(\\.(?!$)|$)){4}$",
-        "errorMessage": "Bitte eine gültige IPv4-Adresse eingeben."
-      }
+      "caption": "Inverter IP-Adresse"
     },
     {
       "type": "NumberSpinner",