diff --git a/src/cockpit/channels/filesystem.py b/src/cockpit/channels/filesystem.py
index b986b215e29..1403ecf3074 100644
--- a/src/cockpit/channels/filesystem.py
+++ b/src/cockpit/channels/filesystem.py
@@ -31,6 +31,7 @@
 
 from cockpit._vendor.systemd_ctypes import Handle, PathWatch
 from cockpit._vendor.systemd_ctypes.inotify import Event as InotifyEvent
+from cockpit._vendor.systemd_ctypes.pathwatch import Listener as PathWatchListener
 
 from ..channel import Channel, ChannelError, GeneratorChannel
 from ..jsonutil import (
@@ -298,7 +299,7 @@ class Follow(enum.Enum):
     YES = True
 
 
-class FsInfoChannel(Channel):
+class FsInfoChannel(Channel, PathWatchListener):
     payload = 'fsinfo'
 
     # Options (all get set in `do_open()`)
diff --git a/vendor/systemd_ctypes b/vendor/systemd_ctypes
index 46c18b5783f..833f5cee8ea 160000
--- a/vendor/systemd_ctypes
+++ b/vendor/systemd_ctypes
@@ -1 +1 @@
-Subproject commit 46c18b5783f674e28fe2fab17e4a691b0762bbf4
+Subproject commit 833f5cee8ea5d4c93aecf0ac2bf517cd5b52f5ec