diff --git a/bluez-5.66-bluetoothd-enable-experimental.patch b/bluez-5.66-bluetoothd-enable-experimental.patch
new file mode 100644
index 0000000..9175b31
--- /dev/null
+++ b/bluez-5.66-bluetoothd-enable-experimental.patch
@@ -0,0 +1,11 @@
+--- bluez-5.66/src/bluetooth.service.in.orig	2023-01-03 15:15:35.104096174 +0100
++++ bluez-5.66/src/bluetooth.service.in	2023-01-03 15:15:44.208046473 +0100
+@@ -6,7 +6,7 @@
+ [Service]
+ Type=dbus
+ BusName=org.bluez
+-ExecStart=@pkglibexecdir@/bluetoothd
++ExecStart=@pkglibexecdir@/bluetoothd -E -K
+ NotifyAccess=main
+ #WatchdogSec=10
+ #Restart=on-failure
diff --git a/bluez.spec b/bluez.spec
index 2e99d74..5047d1d 100644
--- a/bluez.spec
+++ b/bluez.spec
@@ -1,6 +1,6 @@
 Name:          bluez
 Version:       5.66
-Release:       1mamba
+Release:       2mamba
 Summary:       Userspace tools for the Bluetooth wireless library for Linux
 Group:         Applications/Communication 
 Vendor:        openmamba
@@ -16,6 +16,7 @@ Patch3:        bluez5-5.41-Increase-firmware-load-timeout-to-30s.patch
 Patch4:        bluez-5.63-0001-hog-Fix-read-order-of-attributes.patch
 Patch5:        bluez-5.63-0002_Fix_crash_when_endpoint_replies_with_an_error_to_SetConfiguration.patch
 Patch6:        bluez-5.63-0003_gdbus_Emit_InterfacesAdded_of_parents_objects_first.patch
+Patch7:        bluez-5.66-bluetoothd-enable-experimental.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -76,6 +77,7 @@ This package contains static libraries and header files neeed for development.
 #%patch4 -p1 -b .0001-hog-Fix-read-order-of-attributes#
 #%patch5 -p1 -b .0002_Fix_crash_when_endpoint_replies_with_an_error_to_SetConfiguratio#n
 #%patch6 -p1 -b .0003_gdbus_Emit_InterfacesAdded_of_parents_objects_first
+%patch7 -p1
 
 %build
 %configure \
@@ -186,6 +188,9 @@ find /etc/rc[0-6].d/ -type l -xtype l -exec rm -f {} \;
 %doc ChangeLog README
 
 %changelog
+* Tue Jan 03 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 5.66-2mamba
+- path: run bluetoothd.service with experimental arguments (-E -K) as requested by pulseaudio
+
 * Thu Nov 17 2022 Automatic Build System <autodist@mambasoft.it> 5.66-1mamba
 - automatic version update by autodist