diff --git a/drivers/usb/host/fhci-dbg.c b/drivers/usb/host/fhci-dbg.c
index ea8a425..e799f86 100644
--- a/drivers/usb/host/fhci-dbg.c
+++ b/drivers/usb/host/fhci-dbg.c
@@ -108,7 +108,7 @@
 {
 	struct device *dev = fhci_to_hcd(fhci)->self.controller;
 
-	fhci->dfs_root = debugfs_create_dir(dev_name(dev), NULL);
+	fhci->dfs_root = debugfs_create_dir(dev_name(dev), usb_debug_root);
 	if (!fhci->dfs_root) {
 		WARN_ON(1);
 		return;