diff --git a/extras/udev-acl/70-acl.rules b/extras/udev-acl/70-acl.rules
index 874667c5b12..fde265693c5 100644
--- a/extras/udev-acl/70-acl.rules
+++ b/extras/udev-acl/70-acl.rules
@@ -1,7 +1,9 @@
 # do not edit this file, it will be overwritten on update
 
+# Do not use ACL_MANAGE outside of this file. This variable is private to
+# udev-acl of this udev release and may be replaced at any time.
+
 ENV{MAJOR}=="", GOTO="acl_end"
-ENV{ACL_MANAGE}=="0", GOTO="acl_end"
 ACTION!="add|change", GOTO="acl_apply"
 
 # PTP/MTP protocol devices, cameras, portable media players