diff --git a/ampel-firmware/web_config.cpp b/ampel-firmware/web_config.cpp
index e3a0a49104fbedd758a132c6387fc490c875c74d..744cb0d8c9f3bf399d882b108a0d2fcfd465effc 100644
--- a/ampel-firmware/web_config.cpp
+++ b/ampel-firmware/web_config.cpp
@@ -167,7 +167,8 @@ namespace web_config {
   }
 
   void initialize() {
-    iotWebConf = new IotWebConf(ampel.sensorId, &dnsServer, &http, "", config_version);
+    iotWebConf = new IotWebConf(strlen(AMPEL_NAME) == 0 ? ampel.sensorId : AMPEL_NAME, &dnsServer, &http, "",
+        config_version);
 
     iotWebConf->setHtmlFormatProvider(&optionalGroupHtmlFormatProvider);