Index: uspace/lib/nic/src/nic_addr_db.c
===================================================================
--- uspace/lib/nic/src/nic_addr_db.c	(revision 062d9000625057300f609429080872d6492b542e)
+++ uspace/lib/nic/src/nic_addr_db.c	(revision 33c29521d96b892e096419a2fd8beb867e2596f6)
@@ -107,5 +107,5 @@
 	.key_hash = nic_addr_key_hash,
 	.key_equal = nic_addr_key_equal,
-	.equal = 0,
+	.equal = NULL,
 	.remove_callback = nic_addr_removed
 };