Index: uspace/drv/root/root.c
===================================================================
--- uspace/drv/root/root.c	(revision 0a5a9509a7d4cad54e1a7838593a26fb5891ed93)
+++ uspace/drv/root/root.c	(revision fa9b606e0a4d7d2b81ec316d32d2e9c5ba285fc1)
@@ -87,5 +87,6 @@
 
 	int res = child_device_register_wrapper(parent, VIRTUAL_DEVICE_NAME,
-	    VIRTUAL_DEVICE_MATCH_ID, VIRTUAL_DEVICE_MATCH_SCORE);
+	    VIRTUAL_DEVICE_MATCH_ID, VIRTUAL_DEVICE_MATCH_SCORE,
+	    NULL);
 
 	return res;
@@ -104,5 +105,6 @@
 	
 	int res = child_device_register_wrapper(parent, PLATFORM_DEVICE_NAME,
-	    PLATFORM_DEVICE_MATCH_ID, PLATFORM_DEVICE_MATCH_SCORE);
+	    PLATFORM_DEVICE_MATCH_ID, PLATFORM_DEVICE_MATCH_SCORE,
+	    NULL);
 
 	return res;