Index: uspace/lib/c/generic/vfs/vfs.c
===================================================================
--- uspace/lib/c/generic/vfs/vfs.c	(revision d18c404c22ab27b615b9be14c2b089f5ba45727e)
+++ uspace/lib/c/generic/vfs/vfs.c	(revision b7c62a99d8505fbceabebd8655bcb200d89ed7c0)
@@ -730,5 +730,5 @@
 	async_exch_t *exch = vfs_exchange_begin();
 	
-	req = async_send_0(exch, VFS_IN_RENAME, NULL);
+	req = async_send_1(exch, VFS_IN_RENAME, -1, NULL);
 	rc = async_data_write_start(exch, olda, olda_size);
 	if (rc != EOK) {