Index: uspace/srv/ns/ns.c
===================================================================
--- uspace/srv/ns/ns.c	(revision b61d47d14bdea0c512d1a9a0ce603ef37ac239bc)
+++ uspace/srv/ns/ns.c	(revision dea7616bde8d726ef14e91c4decc71ae984f4be9)
@@ -140,5 +140,5 @@
 			 */
 			retval = register_service(IPC_GET_ARG1(call),
-			    IPC_GET_ARG3(call), &call);
+			    IPC_GET_ARG5(call), &call);
 			break;
 		case IPC_M_CONNECT_ME_TO: