diff --git a/ampel-firmware/web_config.cpp b/ampel-firmware/web_config.cpp
index e5db28b68483512aa885f8a1b96dcdab65f64347..3d11b4f0a5038d48ce4e6837dc943ba5a02e6319 100644
--- a/ampel-firmware/web_config.cpp
+++ b/ampel-firmware/web_config.cpp
@@ -100,7 +100,7 @@ namespace web_config {
 
   IntTParameter<uint16_t> mqttIntervalParam =
       Builder<IntTParameter<uint16_t>>("mqtt_interval").label("MQTT interval").defaultValue(MQTT_SENDING_INTERVAL).min(
-          0).step(1).defaultValue(300).placeholder("[s]").build();
+          0).step(1).placeholder("[s]").build();
 
   CheckboxTParameter mqttEncryptionParam =
       Builder<CheckboxTParameter>("mqtt_encryption").label("Encrypt MQTT?").defaultValue(MQTT_ENCRYPTED).build();