diff --git a/x11/libxshmfence/Makefile b/x11/libxshmfence/Makefile
index f9b72e5372ca..e0cee43889d2 100644
--- a/x11/libxshmfence/Makefile
+++ b/x11/libxshmfence/Makefile
@@ -1,17 +1,18 @@
 PORTNAME=	libxshmfence
 PORTVERSION=	1.3
+PORTREVISION=	1
 CATEGORIES=	x11
 
 MAINTAINER=	x11@FreeBSD.org
 COMMENT=	Shared memory 'SyncFence' synchronization primitive
 
 LICENSE=	MIT
 
 USES=		xorg xorg-cat:lib
 USE_XORG=	xorgproto
 
 CONFIGURE_ARGS=	--with-shared-memory-dir=/tmp
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	check
 
 .include <bsd.port.mk>
diff --git a/x11/libxshmfence/files/patch-src__xshmfence_alloc.c b/x11/libxshmfence/files/patch-src__xshmfence_alloc.c
index e6e0df9a946e..b6e98334e981 100644
--- a/x11/libxshmfence/files/patch-src__xshmfence_alloc.c
+++ b/x11/libxshmfence/files/patch-src__xshmfence_alloc.c
@@ -1,14 +1,24 @@
 --- src/xshmfence_alloc.c.orig	2015-03-04 15:28:23 UTC
 +++ src/xshmfence_alloc.c
-@@ -79,7 +79,11 @@ xshmfence_alloc_shm(void)
+@@ -73,13 +73,21 @@ xshmfence_alloc_shm(void)
+ 	fd = memfd_create("xshmfence", MFD_CLOEXEC|MFD_ALLOW_SEALING);
+ 	if (fd < 0)
+ #endif
++#ifdef SHM_ANON
++	fd = shm_open(SHM_ANON, O_RDWR|O_CLOEXEC, 0600);
++	if (fd < 0)
++#endif
+ 	{
+ #ifdef O_TMPFILE
+ 		fd = open(SHMDIR, O_TMPFILE|O_RDWR|O_CLOEXEC|O_EXCL, 0666);
  		if (fd < 0)
  #endif
  		{
 +#ifdef HAVE_MKOSTEMP
 +			fd = mkostemp(template, O_CLOEXEC);
 +#else
  			fd = mkstemp(template);
 +#endif
  			if (fd < 0)
  				return fd;
  			unlink(template);