diff --git a/man/udev_device_get_syspath.xml b/man/udev_device_get_syspath.xml
index b54749ed56..014f43b21c 100644
--- a/man/udev_device_get_syspath.xml
+++ b/man/udev_device_get_syspath.xml
@@ -184,10 +184,10 @@
     to such a parent device. On failure, <constant>NULL</constant>
     is returned.</para>
 
-    <para>On success, <function>udev_device_get_is_initialized()</function>
-    returns either <constant>1</constant> or <constant>0</constant>,
-    depending on whether the passed device is initialized or not. On
-    failure, a negative error code is returned.</para>
+    <para>On success, <function>udev_device_get_is_initialized()</function> returns either <constant>1</constant> or
+    <constant>0</constant>, depending on whether the passed device has already been initialized by udev or not. On
+    failure, a negative error code is returned. Note that devices for which no udev rules are defined are never
+    reported initialized.</para>
   </refsect1>
 
   <refsect1>
diff --git a/rules/99-systemd.rules.in b/rules/99-systemd.rules.in
index fb4517606d..ca52cf165b 100644
--- a/rules/99-systemd.rules.in
+++ b/rules/99-systemd.rules.in
@@ -56,8 +56,7 @@ SUBSYSTEM=="backlight", TAG+="systemd", IMPORT{builtin}="path_id", ENV{SYSTEMD_W
 SUBSYSTEM=="leds", KERNEL=="*kbd_backlight", TAG+="systemd", IMPORT{builtin}="path_id", ENV{SYSTEMD_WANTS}+="systemd-backlight@leds:$name.service"
 
 # Pull in rfkill save/restore for all rfkill devices
-
-SUBSYSTEM=="rfkill", IMPORT{builtin}="path_id"
+SUBSYSTEM=="rfkill", ENV{SYSTEMD_RFKILL}="1", IMPORT{builtin}="path_id"
 SUBSYSTEM=="misc", KERNEL=="rfkill", TAG+="systemd", ENV{SYSTEMD_WANTS}+="systemd-rfkill.socket"
 
 # Asynchronously mount file systems implemented by these modules as soon as they are loaded.