diff --git a/ssh-pkcs11-helper.c b/ssh-pkcs11-helper.c
index ceabc8b..f2d5863 100644
--- a/ssh-pkcs11-helper.c
+++ b/ssh-pkcs11-helper.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-pkcs11-helper.c,v 1.10 2015/01/20 23:14:00 deraadt Exp $ */
+/* $OpenBSD: ssh-pkcs11-helper.c,v 1.11 2015/08/20 22:32:42 deraadt Exp $ */
 /*
  * Copyright (c) 2010 Markus Friedl.  All rights reserved.
  *
@@ -301,8 +301,8 @@
 	buffer_init(&oqueue);
 
 	set_size = howmany(max + 1, NFDBITS) * sizeof(fd_mask);
-	rset = (fd_set *)xmalloc(set_size);
-	wset = (fd_set *)xmalloc(set_size);
+	rset = xmalloc(set_size);
+	wset = xmalloc(set_size);
 
 	for (;;) {
 		memset(rset, 0, set_size);