Index: uspace/drv/bus/usb/usbdiag/main.c
===================================================================
--- uspace/drv/bus/usb/usbdiag/main.c	(revision 47a9633d4ac833a08e5980c940e9930c94d89d13)
+++ uspace/drv/bus/usb/usbdiag/main.c	(revision a31068a20cc2ba43bfe6adb8a2aefd8adcc65877)
@@ -129,4 +129,6 @@
 	.direction = USB_DIRECTION_IN,
 	.interface_class = USB_CLASS_DIAGNOSTIC,
+	.interface_subclass = 0x00,
+	.interface_protocol = 0x01,
 	.flags = 0
 };
@@ -135,4 +137,6 @@
 	.direction = USB_DIRECTION_OUT,
 	.interface_class = USB_CLASS_DIAGNOSTIC,
+	.interface_subclass = 0x00,
+	.interface_protocol = 0x01,
 	.flags = 0
 };
@@ -141,4 +145,6 @@
 	.direction = USB_DIRECTION_IN,
 	.interface_class = USB_CLASS_DIAGNOSTIC,
+	.interface_subclass = 0x00,
+	.interface_protocol = 0x01,
 	.flags = 0
 };
@@ -147,4 +153,6 @@
 	.direction = USB_DIRECTION_OUT,
 	.interface_class = USB_CLASS_DIAGNOSTIC,
+	.interface_subclass = 0x00,
+	.interface_protocol = 0x01,
 	.flags = 0
 };
@@ -153,4 +161,6 @@
 	.direction = USB_DIRECTION_IN,
 	.interface_class = USB_CLASS_DIAGNOSTIC,
+	.interface_subclass = 0x00,
+	.interface_protocol = 0x01,
 	.flags = 0
 };
@@ -159,4 +169,6 @@
 	.direction = USB_DIRECTION_OUT,
 	.interface_class = USB_CLASS_DIAGNOSTIC,
+	.interface_subclass = 0x00,
+	.interface_protocol = 0x01,
 	.flags = 0
 };