diff --git a/nixos/modules/services/home-automation/zigbee2mqtt.nix b/nixos/modules/services/home-automation/zigbee2mqtt.nix
index 1372d2a8d097..5ec4d037073d 100644
--- a/nixos/modules/services/home-automation/zigbee2mqtt.nix
+++ b/nixos/modules/services/home-automation/zigbee2mqtt.nix
@@ -113,6 +113,7 @@ in
           "AF_INET"
           "AF_INET6"
           "AF_NETLINK"
+          "AF_UNIX"
         ];
         RestrictNamespaces = true;
         RestrictRealtime = true;