diff --git a/sysutils/Makefile b/sysutils/Makefile
index 63e5522645d6..905fcbee8d91 100644
--- a/sysutils/Makefile
+++ b/sysutils/Makefile
@@ -711,6 +711,7 @@
     SUBDIR += pslist
     SUBDIR += psmisc
     SUBDIR += pstack
+    SUBDIR += pstacku
     SUBDIR += pstree
     SUBDIR += ptools
     SUBDIR += puppet
diff --git a/sysutils/pstack/Makefile b/sysutils/pstack/Makefile
index 23a73d9c3ec9..0b72fe68776f 100644
--- a/sysutils/pstack/Makefile
+++ b/sysutils/pstack/Makefile
@@ -17,6 +17,7 @@ GH_COMMIT=	874a052
 GH_TAGNAME=	874a052
 USES=		uidfix
 ONLY_FOR_ARCHS=	amd64 i386
+CONFLICTS=	pstacku-[0-9]*
 MAKE_ARGS+=	BINDIR=${PREFIX}/bin
 MAKE_ARGS+=	MANDIR=${PREFIX}/man/man
 MAKE_ARGS+=	LIBDIR=${PREFIX}/lib
diff --git a/sysutils/pstacku/Makefile b/sysutils/pstacku/Makefile
new file mode 100644
index 000000000000..189b64c96849
--- /dev/null
+++ b/sysutils/pstacku/Makefile
@@ -0,0 +1,24 @@
+# Created by: Juergen Lock <nox@FreeBSD.org>
+# $FreeBSD$
+
+PORTNAME=	pstacku
+PORTVERSION=	0.9.2
+CATEGORIES=	sysutils
+MASTER_SITES=	https://kib.kiev.ua/kib/${PORTNAME}/ \
+		http://kib.kiev.ua/kib/${PORTNAME}/
+
+MAINTAINER=	nox@FreeBSD.org
+COMMENT=	Retrieve process stack traces
+
+LICENSE=	BSD2CLAUSE
+
+LIB_DEPENDS=	libunwind.so:${PORTSDIR}/devel/libunwind
+
+GNU_CONFIGURE=	yes
+CONFIGURE_ARGS+=--with-libunwind=${LOCALBASE}
+ONLY_FOR_ARCHS=	amd64 i386
+CONFLICTS=	pstack-[0-9]*
+
+PLIST_FILES=	bin/pstack man/man1/pstack.1.gz
+
+.include <bsd.port.mk>
diff --git a/sysutils/pstacku/distinfo b/sysutils/pstacku/distinfo
new file mode 100644
index 000000000000..9bdea5472b65
--- /dev/null
+++ b/sysutils/pstacku/distinfo
@@ -0,0 +1,2 @@
+SHA256 (pstacku-0.9.2.tar.gz) = e5b1ea4ee6e07de2988f8d03da752097c887f204c84a0faac6271420f70639e8
+SIZE (pstacku-0.9.2.tar.gz) = 303413
diff --git a/sysutils/pstacku/pkg-descr b/sysutils/pstacku/pkg-descr
new file mode 100644
index 000000000000..ffa220b87ed9
--- /dev/null
+++ b/sysutils/pstacku/pkg-descr
@@ -0,0 +1,8 @@
+"pstack" is a workalike for the Solaris program of the same name.
+Running pstack on a process produces a stack trace of
+each thread in that process.
+
+It's useful for finding out what wedged processes are up to, getting
+profiles of applications, and just satisfying one's curiosity.
+
+WWW: https://www.kib.kiev.ua/git/gitweb.cgi?p=pstacku.git;a=tree