diff --git a/pulseaudio-old-systemd-workaround.patch b/pulseaudio-old-systemd-workaround.patch
new file mode 100644
index 0000000..4ab5b9d
--- /dev/null
+++ b/pulseaudio-old-systemd-workaround.patch
@@ -0,0 +1,15 @@
+---
+ src/daemon/systemd/user/pulseaudio.service.in |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/src/daemon/systemd/user/pulseaudio.service.in
++++ b/src/daemon/systemd/user/pulseaudio.service.in
+@@ -24,7 +24,7 @@ NoNewPrivileges=yes
+ Restart=on-failure
+ RestrictNamespaces=yes
+ SystemCallArchitectures=native
+-SystemCallFilter=@system-service
++# SystemCallFilter=@system-service
+ # Note that notify will only work if --daemonize=no
+ Type=notify
+ UMask=0077
diff --git a/pulseaudio.changes b/pulseaudio.changes
index 205b11a..ba8fd99 100644
--- a/pulseaudio.changes
+++ b/pulseaudio.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Tue Aug 27 15:43:10 CEST 2019 - tiwai@suse.de
+
+- Workaround for old systemd on Leap 15.x, as the recent hardening
+  relies on the new systemd:
+  pulseaudio-old-systemd-workaround.patch
+
 -------------------------------------------------------------------
 Tue Aug  6 20:18:24 UTC 2019 - Ondrej Holecek <oholecek@suse.com>
 
diff --git a/pulseaudio.spec b/pulseaudio.spec
index 6650a2e..b7ab20c 100644
--- a/pulseaudio.spec
+++ b/pulseaudio.spec
@@ -47,6 +47,8 @@ Patch1:         suppress-socket-error-msg.diff
 Patch2:         pulseaudio-wrong-memset.patch
 # PATCH-FIX-OPENSUSE qpaeq-shebang.patch Avoid rpmlint error due to using env python shebang
 Patch5:         qpaeq-shebang.patch
+# PATCH-FIX-OPENSUSE Workaround for old systemd on Leap 15.x
+Patch6:         pulseaudio-old-systemd-workaround.patch
 BuildRequires:  alsa-devel >= 1.0.19
 BuildRequires:  bluez-devel >= 5
 BuildRequires:  doxygen
@@ -339,6 +341,10 @@ Optional dependency offering zsh completion for various PulseAudio utilities
 %patch1 -p1
 %patch2
 %patch5
+# workaround for Leap 15.x
+%if 0%{?suse_version} < 1550
+%patch6 -p1
+%endif
 
 %build
 %define _lto_cflags %{nil}