diff --git a/packaging/rpm/cgroup_exporter.service b/packaging/rpm/cgroup_exporter.service
index 46b025f..adf74a6 100644
--- a/packaging/rpm/cgroup_exporter.service
+++ b/packaging/rpm/cgroup_exporter.service
@@ -18,7 +18,7 @@ ProtectHome=yes
 ProtectControlGroups=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
-RestrictAddressFamilies=AF_INET AF_INET6
+RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX
 RestrictNamespaces=yes
 RestrictRealtime=yes
 RestrictSUIDSGID=yes