diff --git a/src/main.cpp b/src/main.cpp
index 366aae9..57f4f61 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -105,21 +105,27 @@ void setup()
     brightness_led = config.getUInt("led-brightness", DEFAULT_LED_BRIGHTNESS);
     config.end();
     analogWrite(PIN_LED, brightness_led);
-    // delay(5000);
-    ledBlink(500);
 
     // Button
     pinMode(PIN_BUTTON, INPUT_PULLUP);
     if (digitalRead(PIN_BUTTON) == LOW)
     {
         ledBlink(100);
-        delay(2000);
-        Serial.println("Reset config");
-        config.begin("dmx", false);
-        config.clear();
-        config.end();
+        unsigned long startTime = millis();
+        while (digitalRead(PIN_BUTTON) == LOW && (millis() - startTime >= 5000))
+        {
+        }
+        if (digitalRead(PIN_BUTTON) == LOW)
+        {
+            Serial.println("Reset config");
+            config.begin("dmx", false);
+            config.clear();
+            config.end();
+        }
     }
 
+    ledBlink(500);
+
     // wait for serial monitor
     delay(5000);
     Serial.println("Starting DMX-Interface...");