diff --git a/rules.d/99-systemd.rules.in b/rules.d/99-systemd.rules.in
index 8ba6f177f8..a57de9983c 100644
--- a/rules.d/99-systemd.rules.in
+++ b/rules.d/99-systemd.rules.in
@@ -16,6 +16,8 @@ KERNEL=="vport*", TAG+="systemd"
 
 SUBSYSTEM=="ptp", TAG+="systemd"
 
+SUBSYSTEM=="mtd", TAG+="systemd"
+
 SUBSYSTEM=="ubi", TAG+="systemd"
 
 SUBSYSTEM=="block", TAG+="systemd"