diff --git a/permissivedomains.cil b/permissivedomains.cil
index ae6ffe6..cd2cdf7 100644
--- a/permissivedomains.cil
+++ b/permissivedomains.cil
@@ -50,3 +50,8 @@
     (typeattributeset cil_gen_require rkt_t)
     (typepermissive rkt_t)
 )
+
+(optional permissivedomains_optional_13
+    (typeattributeset cil_gen_require systemd_hwdb_t)
+    (typepermissive systemd_hwdb_t)
+)