diff --git a/include/usb/xhci.h b/include/usb/xhci.h
index 85c359f..4a4ac10 100644
--- a/include/usb/xhci.h
+++ b/include/usb/xhci.h
@@ -1222,6 +1222,7 @@
 	struct xhci_erst_entry entry[ERST_NUM_SEGS];
 	struct xhci_scratchpad *scratchpad;
 	struct xhci_virt_device *devs[MAX_HC_SLOTS];
+	struct usb_hub_descriptor hub_desc;
 	int rootdev;
 	u16 hci_version;
 	int page_size;