5 files changed, 17 insertions, 5 deletions
diff --git a/src/drivers/usb/usbhub.c b/src/drivers/usb/usbhub.c
index 8cda25144..a28410892 100644
--- a/src/drivers/usb/usbhub.c
+++ b/src/drivers/usb/usbhub.c
@@ -15,9 +15,13 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/src/drivers/usb/usbhub.h b/src/drivers/usb/usbhub.h
index 4dd9426c3..0713e5bcc 100644
--- a/src/drivers/usb/usbhub.h
+++ b/src/drivers/usb/usbhub.h
@@ -7,7 +7,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #include <ipxe/usb.h>
 #include <ipxe/list.h>
diff --git a/src/drivers/usb/usbnet.c b/src/drivers/usb/usbnet.c
index d24cb3db5..60f580253 100644
--- a/src/drivers/usb/usbnet.c
+++ b/src/drivers/usb/usbnet.c
@@ -15,9 +15,13 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #include <string.h>
 #include <errno.h>
diff --git a/src/drivers/usb/xhci.c b/src/drivers/usb/xhci.c
index a5bcb62bd..36dfacc2d 100644
--- a/src/drivers/usb/xhci.c
+++ b/src/drivers/usb/xhci.c
@@ -15,9 +15,13 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/src/drivers/usb/xhci.h b/src/drivers/usb/xhci.h
index 30c6d1f44..d0effe43b 100644
--- a/src/drivers/usb/xhci.h
+++ b/src/drivers/usb/xhci.h
@@ -7,7 +7,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #include <assert.h>
 #include <ipxe/pci.h>