Index: uspace/srv/fs/fat/fat.c
===================================================================
--- uspace/srv/fs/fat/fat.c	(revision 116d3f6f655456c410fc698142213ee6eceee904)
+++ uspace/srv/fs/fat/fat.c	(revision 828d21540cbb80021613fd24a5dfd84e867a1237)
@@ -94,5 +94,5 @@
 		 * created by IPC_M_CONNECT_TO_ME.
 		 */
-		ipc_answer_fast(iid, EOK, 0, 0);
+		ipc_answer_fast_0(iid, EOK);
 	}
 	
@@ -105,5 +105,5 @@
 		switch  (IPC_GET_METHOD(call)) {
 		default:
-			ipc_answer_fast(callid, ENOTSUP, 0, 0);
+			ipc_answer_fast_0(callid, ENOTSUP);
 			break;
 		}