diff --git a/telephony/iaxclient/Makefile b/telephony/iaxclient/Makefile
index b8572e238d9..a4e3085fe77 100644
--- a/telephony/iaxclient/Makefile
+++ b/telephony/iaxclient/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.32 2016/04/04 16:09:10 naddy Exp $
+# $OpenBSD: Makefile,v 1.33 2017/01/02 12:56:06 sebastia Exp $
 
 COMMENT-main=	IAX client library
 COMMENT-tcl=	IAX client library, tcl bindings
@@ -6,7 +6,7 @@ COMMENT-iaxcomm=IAX softphone
 
 DISTNAME=	iaxclient-2.1beta3
 PKGNAME-main=	${DISTNAME}
-REVISION-main=	15
+REVISION-main=	16
 PKGNAME-tcl=	${DISTNAME:S/iaxclient/iaxclient-tcl/}
 REVISION-tcl=	17
 PKGNAME-iaxcomm= iaxcomm-1.1.0
diff --git a/telephony/iaxclient/patches/patch-lib_spandsp_plc_c b/telephony/iaxclient/patches/patch-lib_spandsp_plc_c
new file mode 100644
index 00000000000..f1f105f1e41
--- /dev/null
+++ b/telephony/iaxclient/patches/patch-lib_spandsp_plc_c
@@ -0,0 +1,15 @@
+$OpenBSD: patch-lib_spandsp_plc_c,v 1.1 2017/01/02 12:56:06 sebastia Exp $
+
+memcpy -> memmove
+
+--- lib/spandsp/plc.c.orig	Mon Jan  2 12:29:58 2017
++++ lib/spandsp/plc.c	Mon Jan  2 12:33:28 2017
+@@ -99,7 +99,7 @@ static void normalise_history(plc_state_t *s)
+     if (s->buf_ptr == 0)
+         return;
+     memcpy(tmp, s->history, sizeof(int16_t)*s->buf_ptr);
+-    memcpy(s->history, s->history + s->buf_ptr, sizeof(int16_t)*(PLC_HISTORY_LEN - s->buf_ptr));
++    memmove(s->history, s->history + s->buf_ptr, sizeof(int16_t)*(PLC_HISTORY_LEN - s->buf_ptr));
+     memcpy(s->history + PLC_HISTORY_LEN - s->buf_ptr, tmp, sizeof(int16_t)*s->buf_ptr);
+     s->buf_ptr = 0;
+ }