diff --git a/pulseaudio.spec b/pulseaudio.spec
index 237e84d..aa004c8 100644
--- a/pulseaudio.spec
+++ b/pulseaudio.spec
@@ -5,7 +5,7 @@
 %define majver %(echo %{version} | cut -d. -f 1-2)
 Name:          pulseaudio
 Version:       16.1
-Release:       1mamba
+Release:       3mamba
 Summary:       Improved Linux sound server
 Group:         System/Libraries
 Vendor:        openmamba
@@ -31,6 +31,7 @@ BuildRequires: libavahi-devel
 BuildRequires: libcap-devel
 BuildRequires: libdbus-devel
 BuildRequires: libfftw-devel
+BuildRequires: libgcc
 BuildRequires: libglib-devel
 BuildRequires: libgst-plugins-base-devel
 BuildRequires: libgstreamer-devel
@@ -42,9 +43,11 @@ BuildRequires: libsbc-devel
 BuildRequires: libsndfile-devel
 BuildRequires: libsoxr-devel
 BuildRequires: libspeexdsp-devel
+BuildRequires: libstdc++6-devel
 BuildRequires: libsystemd-devel
 BuildRequires: libtdb-devel
 BuildRequires: libudev-devel
+BuildRequires: libwebrtc-audio-processing-devel
 BuildRequires: libxcb-devel
 BuildRequires: lirc-devel
 ## AUTOBUILDREQ-END
@@ -291,8 +294,7 @@ rm -f %{buildroot}%{_libdir}/pulseaudio/*.{a,la}
 rm -f %{buildroot}%{_libdir}/pulse-%{majver}/modules/*.{a,la}
 
 # Superseded by socket activation
-sed -e '/autospawn/iautospawn = no' \
-    -i %{buildroot}%{_sysconfdir}/pulse/client.conf
+sed -i 's|; autospawn = yes.*|autospawn = no|' %{buildroot}%{_sysconfdir}/pulse/client.conf
 rm -f %{buildroot}%{_sysconfdir}/dbus-1/system.d/pulseaudio-system.conf
 
 # Disable cork-request module, can result in e.g. media players unpausing
@@ -340,9 +342,15 @@ fi
 sed -i "s|module-gconf|module-gsettings|" %{_sysconfdir}/pulse/default.pa
 sed -i "s|^\(load-module module-rescue-streams\)|#\1|" %{_sysconfdir}/pulse/default.pa
 
+# Fix multiple autospawn = no lines inserted on each previous update
+if [ `grep "^autospawn = no" /etc/pulse/client.conf |wc -l` -gt 1 ]; then
+   sed -i -e '/^autospawn = no/d' %{_sysconfdir}/pulse/client.conf
+fi
+
 # Superseded by socket activation
-sed -e '/autospawn/iautospawn = no' \
-    -i %{_sysconfdir}/pulse/client.conf
+grep -q "^autospawn = no" /etc/pulse/client.conf || {
+	sed -i 's|; autospawn = yes.*|autospawn = no|' %{_sysconfdir}/pulse/client.conf
+}
 
 # Required by qpaeq
 sed -e '/Load several protocols/aload-module module-dbus-protocol' \
@@ -407,6 +415,7 @@ fi
 %{_libdir}/pulseaudio/modules/libprotocol-*.so
 %{_libdir}/pulseaudio/modules/libraop.so
 %{_libdir}/pulseaudio/modules/librtp.so
+%{_libdir}/pulseaudio/modules/libwebrtc-util.so
 %{_libdir}/pulseaudio/modules/module-*.so
 %exclude %{_libdir}/pulseaudio/modules/module-gsettings.so
 %exclude %{_libdir}/pulseaudio/modules/module-jack*.so
@@ -571,6 +580,12 @@ fi
 #%{_libdir}/pulse-%{majver}/modules/*.a
 
 %changelog
+* Tue Jan 31 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 16.1-3mamba
+- %post: fix command to clean autospawn multiple entries
+
+* Mon Jan 30 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 16.1-2mamba
+- fix multiple 'autospawn = no' lines inserted on updates in file /etc/pulseaudio/client.conf
+
 * Thu Jun 23 2022 Automatic Build System <autodist@mambasoft.it> 16.1-1mamba
 - automatic version update by autodist