diff --git a/rules.d/99-systemd.rules.in b/rules.d/99-systemd.rules.in
index c0defc31de..96b84226a5 100644
--- a/rules.d/99-systemd.rules.in
+++ b/rules.d/99-systemd.rules.in
@@ -12,6 +12,8 @@ ACTION=="remove", GOTO="systemd_end"
 SUBSYSTEM=="tty", KERNEL=="tty[a-zA-Z]*|hvc*|xvc*|hvsi*|ttysclp*|sclp_line*|3270/tty[0-9]*", TAG+="systemd"
 KERNEL=="vport*", TAG+="systemd"
 
+SUBSYSTEM=="ptp", TAG+="systemd"
+
 SUBSYSTEM=="ubi", TAG+="systemd"
 
 SUBSYSTEM=="block", TAG+="systemd"