diff --git a/bin/rclaude b/bin/rclaude
index 5bc6277..06608c4 100755
--- a/bin/rclaude
+++ b/bin/rclaude
@@ -1603,9 +1603,17 @@ inner=$(build_inner "$dir")
 # background and print the session name. Symmetric with the local-host
 # detached branch above; used by supervisor processes (e.g. clare web)
 # that bring up a remote Claude pane without attaching the calling tty.
+#
+# We wrap `tmux new-session -d` in `systemd-run --user --scope --collect`
+# so the tmux server is parented to its own systemd scope, not the ssh
+# login session's scope. Without this, systemd-logind reaps the tmux
+# server when the ssh session ends — even with `loginctl enable-linger`,
+# transient ssh-spawn scopes get cleaned up after disconnect. The
+# `--collect` flag lets systemd garbage-collect the scope after exit.
 # Mosh is interactive-only — always go through ssh for detached spawn.
 if [ -n "${RCLAUDE_DETACHED:-}" ]; then
-    ssh $_SSH_LIVE_OPTS "$host" "tmux new-session -d -s '${session}' \"${inner}\""
+    _remote_cmd="systemd-run --user --scope --collect --quiet tmux new-session -d -s '${session}' \"${inner}\" 2>/dev/null || tmux new-session -d -s '${session}' \"${inner}\""
+    ssh $_SSH_LIVE_OPTS "$host" "$_remote_cmd"
     printf '%s\n' "$session"
     exit 0
 fi