diff --git a/ampel-firmware/web_config.cpp b/ampel-firmware/web_config.cpp
index 2cec510afb829f26bb0ebb01903d936f8df5fc88..36fe6f92ebdaed203e44d9092d15cb9a0afd5a3b 100644
--- a/ampel-firmware/web_config.cpp
+++ b/ampel-firmware/web_config.cpp
@@ -228,7 +228,7 @@ namespace web_config {
 
     sensor_console::defineCommand("reset_config", []() {
       Serial.println(F("Resetting config..."));
-      iotWebConf->getSystemParameterGroup()->applyDefaultValue();
+      iotWebConf->getRootParameterGroup()->applyDefaultValue();
       iotWebConf->saveConfig();
       Serial.println(F("Done!"));
     }, F("(resets the complete IotWeb config)"));