diff --git a/stunnel-listenqueue-option.patch b/stunnel-listenqueue-option.patch
index 3955005..ecddd2c 100644
--- a/stunnel-listenqueue-option.patch
+++ b/stunnel-listenqueue-option.patch
@@ -1,6 +1,12 @@
+---
+ src/options.c    |   18 ++++++++++++++++++
+ src/prototypes.h |    1 +
+ src/stunnel.c    |    2 +-
+ 3 files changed, 20 insertions(+), 1 deletion(-)
+
 --- src/options.c
-+++ src/options.c
-@@ -1872,6 +1872,24 @@
++++ src/options.c	2017-04-06 08:40:50.927511225 +0000
+@@ -1881,6 +1881,24 @@ NOEXPORT char *parse_service_option(CMD
          break;
      }
  
@@ -26,8 +32,8 @@
  
      /* OCSP */
 --- src/prototypes.h
-+++ src/prototypes.h
-@@ -248,6 +248,7 @@
++++ src/prototypes.h	2017-04-06 08:40:50.927511225 +0000
+@@ -252,6 +252,7 @@ typedef struct service_options_struct {
      int timeout_close;                          /* maximum close_notify time */
      int timeout_connect;                           /* maximum connect() time */
      int timeout_idle;                        /* maximum idle connection time */
@@ -36,8 +42,8 @@
      char *username;
  
 --- src/stunnel.c
-+++ src/stunnel.c
-@@ -451,7 +451,7 @@
++++ src/stunnel.c	2017-04-06 08:40:50.927511225 +0000
+@@ -476,7 +476,7 @@ int bind_ports(void) {
                      str_free(local_address);
                      return 1;
                  }
diff --git a/stunnel.changes b/stunnel.changes
index 97e4e47..eab3970 100644
--- a/stunnel.changes
+++ b/stunnel.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Apr  6 09:05:55 UTC 2017 - werner@suse.de
+
+- Require package config for libsystemd to help the configure script
+  to detect and enable systemd socket activation (boo#1032557) 
+- Refresh patch stunnel-listenqueue-option.patch
+
 -------------------------------------------------------------------
 Sat Apr  1 19:07:51 UTC 2017 - michael@stroeder.com
 
diff --git a/stunnel.spec b/stunnel.spec
index 234b6b0..f738555 100644
--- a/stunnel.spec
+++ b/stunnel.spec
@@ -34,8 +34,10 @@ Patch0:         stunnel-listenqueue-option.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %define VENDOR openSUSE
 BuildRequires:  libopenssl-devel
+BuildRequires:  pkgconfig
 BuildRequires:  tcpd-devel
 BuildRequires:  zlib-devel
+BuildRequires:  pkgconfig(libsystemd)
 
 %if 0%{?suse_version} >= 1210
 BuildRequires:  systemd
@@ -67,7 +69,7 @@ This package contains additional documentation for the stunnel program.
 
 %prep
 %setup -q -n stunnel-%{version}
-%patch0 -p0 
+%patch0 -p0
 chmod -x $RPM_BUILD_DIR/stunnel-%{version}/tools/ca.*
 chmod -x $RPM_BUILD_DIR/stunnel-%{version}/tools/importCA.*