diff --git a/avr/cores/hid/USB-Core/USBAPI.h b/avr/cores/hid/USB-Core/USBAPI.h
index f6ac2f3..fe01567 100644
--- a/avr/cores/hid/USB-Core/USBAPI.h
+++ b/avr/cores/hid/USB-Core/USBAPI.h
@@ -52,6 +52,13 @@ typedef unsigned long u32;
 
 #include "Arduino.h"
 
+// edit by NicoHood
+// this definitions is usefull if you want to reduce the EP_SIZE to 16
+// at the moment only 64 and 16 as EP_SIZE for all EPs are supported except the control endpoint
+#ifndef USB_EP_SIZE
+#define USB_EP_SIZE 64
+#endif
+
 #if defined(USBCON)
 
 #include "USBDesc.h"
diff --git a/avr/cores/hid/USB-Core/USBDesc.h b/avr/cores/hid/USB-Core/USBDesc.h
index a7c3388..d787f3e 100644
--- a/avr/cores/hid/USB-Core/USBDesc.h
+++ b/avr/cores/hid/USB-Core/USBDesc.h
@@ -79,13 +79,6 @@ THE SOFTWARE.
 #define HID_TX HID_ENDPOINT_INT
 #endif
 
-// edit by NicoHood
-// this definitions is usefull if you want to reduce the EP_SIZE to 16
-// at the moment only 64 and 16 as EP_SIZE for all EPs are supported except the control endpoint
-#ifndef USB_EP_SIZE
-#define USB_EP_SIZE 64
-#endif
-
 #define IMANUFACTURER	1
 #define IPRODUCT		2