diff --git a/src/main.cpp b/src/main.cpp
index e6c57ed..e7dce89 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -102,7 +102,7 @@ void setup()
 
     // LED
     config.begin("dmx", true);
-    brightness_led = config.getUInt("led-brightness", 20);
+    brightness_led = config.getUInt("led-brightness", DEFAULT_LED_BRIGHTNESS);
     config.end();
     analogWrite(PIN_LED, brightness_led);
     // delay(5000);
@@ -127,11 +127,11 @@ void setup()
 
     config.begin("dmx", true);
 
-    universe1 = config.getUChar("universe-1", 1);
-    universe2 = config.getUChar("universe-2", 1);
+    universe1 = config.getUChar("universe-1", DEFAULT_UNIVERSE1);
+    universe2 = config.getUChar("universe-2", DEFAULT_UNIVERSE2);
 
-    direction1 = static_cast<Direction>(config.getUInt("direction-1", 0));
-    direction2 = static_cast<Direction>(config.getUInt("direction-2", 1));
+    direction1 = static_cast<Direction>(config.getUInt("direction-1", DEFAULT_DIRECTION1));
+    direction2 = static_cast<Direction>(config.getUInt("direction-2", DEFAULT_DIRECTION2));
 
     Serial.print("Port A: Universe ");
     Serial.print(universe1);
@@ -143,25 +143,22 @@ void setup()
     Serial.print(" ");
     Serial.println((direction2 == Input) ? "DMX -> Art-Net" : "Art-Net -> DMX");
 
-    Connection connection = static_cast<Connection>(config.getUInt("connection", WiFiAP));
-    IpMethod ipMethod = static_cast<IpMethod>(config.getUInt("ip-method"), DHCP);
+    Connection connection = static_cast<Connection>(config.getUInt("connection", DEFAULT_CONNECTION));
+    IpMethod ipMethod = static_cast<IpMethod>(config.getUInt("ip-method"), DEFAULT_IP_METHOD);
 
-    WiFi.macAddress(mac);
     char hostname[30];
     snprintf(hostname, sizeof(hostname), "ChaosDMX-%02X%02X", mac[4], mac[5]);
+    DEFAULT_SSID = hostname;
     Serial.print("Hostname: ");
     Serial.println(hostname);
 
-    String ssid = config.getString("ssid", hostname);
-    String pwd = config.getString("password", "mbgmbgmbg");
+    String ssid = config.getString("ssid", DEFAULT_SSID);
+    String pwd = config.getString("password", DEFAULT_PASSWORD);
 
     // Default IP as defined in standard https://art-net.org.uk/downloads/art-net.pdf, page 13
-    IPAddress defaultIp(2, mac[3], mac[4], mac[5]);
-    IPAddress ip = config.getUInt("ip", defaultIp);
-    IPAddress defaultSubnet(255, 0, 0, 0);
-    IPAddress subnet = config.getUInt("subnet", defaultSubnet);
-    IPAddress defaultGateway(2, 0, 0, 1);
-    IPAddress gateway = config.getUInt("gateway", defaultGateway);
+    IPAddress ip = config.getUInt("ip", DEFAULT_IP);
+    IPAddress subnet = config.getUInt("subnet", DEFAULT_SUBNET);
+    IPAddress gateway = config.getUInt("gateway", DEFAULT_GATEWAY);
 
     config.end();
 
diff --git a/src/routes/config.cpp b/src/routes/config.cpp
index 7450e5e..2f4e648 100644
--- a/src/routes/config.cpp
+++ b/src/routes/config.cpp
@@ -4,6 +4,7 @@
 #include "WiFi.h"
 
 Preferences config;
+String DEFAULT_SSID = "";
 
 #pragma region Utility
 
@@ -75,28 +76,23 @@ void onGetConfig(AsyncWebServerRequest *request)
 {
     config.begin("dmx", true);
 
-    IPAddress defaultIp(192, 168, 1, 201);
-    IPAddress ip = config.getUInt("ip", defaultIp);
-
-    IPAddress defaultSubnet(255, 255, 255, 0);
-    IPAddress subnet = config.getUInt("subnet", defaultSubnet);
-
-    IPAddress defaultGateway(192, 168, 1, 1);
-    IPAddress gateway = config.getUInt("gateway", defaultGateway);
+    IPAddress ip = config.getUInt("ip", DEFAULT_IP);
+    IPAddress subnet = config.getUInt("subnet", DEFAULT_SUBNET);
+    IPAddress gateway = config.getUInt("gateway", DEFAULT_GATEWAY);
 
     JsonDocument doc;
-    doc["connection"] = config.getUInt("connection", WiFiSta);
-    doc["ssid"] = config.getString("ssid", "artnet");
-    doc["password"] = config.getString("password", "mbgmbgmbg");
-    doc["ip-method"] = config.getUInt("ip-method"), Static;
+    doc["connection"] = config.getUInt("connection", DEFAULT_CONNECTION);
+    doc["ssid"] = config.getString("ssid", DEFAULT_SSID);
+    doc["password"] = config.getString("password", DEFAULT_PASSWORD);
+    doc["ip-method"] = config.getUInt("ip-method", DEFAULT_IP_METHOD);
     doc["ip"] = ip.toString();
     doc["subnet"] = subnet.toString();
     doc["gateway"] = gateway.toString();
-    doc["universe-1"] = config.getUInt("universe-1", 1);
-    doc["direction-1"] = config.getUInt("direction-1", Output);
-    doc["universe-2"] = config.getUInt("universe-2", 1);
-    doc["direction-2"] = config.getUInt("direction-2", Input);
-    doc["led-brightness"] = config.getUInt("led-brightness", 25);
+    doc["universe-1"] = config.getUInt("universe-1", DEFAULT_UNIVERSE1);
+    doc["direction-1"] = config.getUInt("direction-1", DEFAULT_DIRECTION1);
+    doc["universe-2"] = config.getUInt("universe-2", DEFAULT_UNIVERSE2);
+    doc["direction-2"] = config.getUInt("direction-2", DEFAULT_DIRECTION2);
+    doc["led-brightness"] = config.getUInt("led-brightness", DEFAULT_LED_BRIGHTNESS);
 
     config.end();
 
diff --git a/src/routes/config.h b/src/routes/config.h
index 54c1a03..948f0c3 100644
--- a/src/routes/config.h
+++ b/src/routes/config.h
@@ -1,11 +1,9 @@
-#pragma once
-
 #include <AsyncWebServer_ESP32_W5500.h>
 #include <ESPDMX.h>
 #include <Preferences.h>
 
-// #ifndef CONFIG_h
-// #define CONFIG_h
+#ifndef CONFIG_h
+#define CONFIG_h
 
 extern Preferences config;
 
@@ -31,10 +29,25 @@ enum Direction
 };
 const uint8_t DIRECTION_SIZE = 2;
 
+const Connection DEFAULT_CONNECTION = WiFiAP;
+const IpMethod DEFAULT_IP_METHOD = DHCP;
+extern String DEFAULT_SSID; // initialized in setup because it depends on the mac address
+const String DEFAULT_PASSWORD = "mbgmbgmbg";
+const IPAddress DEFAULT_IP(192, 168, 4, 1);
+const IPAddress DEFAULT_SUBNET(255, 0, 0, 0);
+const IPAddress DEFAULT_GATEWAY(2, 0, 0, 1);
+
+const Direction DEFAULT_DIRECTION1 = Output;
+const Direction DEFAULT_DIRECTION2 = Input;
+const uint8_t DEFAULT_UNIVERSE1 = 1;
+const uint8_t DEFAULT_UNIVERSE2 = 2;
+
+const uint8_t DEFAULT_LED_BRIGHTNESS = 25;
+
 void onGetConfig(AsyncWebServerRequest *request);
 
 void onPutConfig(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total);
 
 void onGetNetworks(AsyncWebServerRequest *request);
 
-// #endif
\ No newline at end of file
+#endif
\ No newline at end of file