1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/ecdh/ech_key.c b/src/lib/libcrypto/ecdh/ech_key.c
index e695b0b9ad..33ee244499 100644
--- a/src/lib/libcrypto/ecdh/ech_key.c
+++ b/src/lib/libcrypto/ecdh/ech_key.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ech_key.c,v 1.5 2015/09/13 14:11:57 jsing Exp $ */
+/* $OpenBSD: ech_key.c,v 1.6 2015/09/18 13:04:41 bcook Exp $ */
 /* ====================================================================
  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
  *
@@ -187,7 +187,7 @@ ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
         } else {
                 /* No KDF, just copy out the key and zero the rest. */
                 if (outlen > buflen) {
-                        memset(out + buflen, 0, outlen - buflen);
+                        memset((void *)((uintptr_t)out + buflen), 0, outlen - buflen);
                         outlen = buflen;
                 }
                 memcpy(out, buf, outlen);