diff --git a/examples/knx-usb/platformio-ci.ini b/examples/knx-usb/platformio-ci.ini
index 299002a..aaaa387 100644
--- a/examples/knx-usb/platformio-ci.ini
+++ b/examples/knx-usb/platformio-ci.ini
@@ -25,6 +25,6 @@ lib_deps =
 
 build_flags =
   -DMEDIUM_TYPE=2
-  -DUSE_CEMI_SERVER
+  -DUSE_USB
   -DUSE_TINYUSB
   -Wno-unknown-pragmas
diff --git a/examples/knx-usb/platformio.ini b/examples/knx-usb/platformio.ini
index 1ca791c..b3ae3ad 100644
--- a/examples/knx-usb/platformio.ini
+++ b/examples/knx-usb/platformio.ini
@@ -33,7 +33,7 @@ lib_deps =
 
 build_flags =
   -DMEDIUM_TYPE=2
-  -DUSE_CEMI_SERVER
+  -DUSE_USB
   -DUSE_TINYUSB
   -Wno-unknown-pragmas
 
diff --git a/src/knx/config.h b/src/knx/config.h
index cfd23a6..2c09a56 100644
--- a/src/knx/config.h
+++ b/src/knx/config.h
@@ -10,7 +10,12 @@
 #define GPIO_GDO0_PIN 24 // GPIO 24 (GPIO_GEN5) -> WiringPi: 5  -> Pin number on header: 18
 #endif
 
-//#define USE_CEMI_SERVER
+
 #define USE_RF
 #define USE_TP
 #define USE_IP
+//#define USE_USB
+//#define USE_CEMI_SERVER
+#ifdef USE_USB
+#define USE_CEMI_SERVER
+#endif
diff --git a/src/knx/usb_tunnel_interface.cpp b/src/knx/usb_tunnel_interface.cpp
index edb0b6d..b2e197f 100644
--- a/src/knx/usb_tunnel_interface.cpp
+++ b/src/knx/usb_tunnel_interface.cpp
@@ -1,5 +1,5 @@
 #include "config.h"
-#ifdef USE_CEMI_SERVER
+#ifdef USE_USB
 
 #include "bits.h"
 #include "usb_tunnel_interface.h"
diff --git a/src/knx/usb_tunnel_interface.h b/src/knx/usb_tunnel_interface.h
index fa5af95..b47209f 100644
--- a/src/knx/usb_tunnel_interface.h
+++ b/src/knx/usb_tunnel_interface.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include "config.h"
-#ifdef USE_CEMI_SERVER
+#ifdef USE_USB
 #include <stdint.h>
 
 class CemiServer;