diff --git a/conf/systemd.service b/conf/systemd.service
index 9d04cef..b1d2abe 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -21,7 +21,7 @@ NoNewPrivileges=yes
 PrivateTmp=yes
 #Private device restrict access to device in /dev/, so to any devices like razberry, zigate, etc.
 #PrivateDevices=yes
-RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
+RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6 AF_BLUETOOTH
 RestrictNamespaces=yes
 RestrictRealtime=yes
 #Same : restrict access to devices