diff --git a/src/login/logind-session-device.c b/src/login/logind-session-device.c
index c64fb4359b..7253f95981 100644
--- a/src/login/logind-session-device.c
+++ b/src/login/logind-session-device.c
@@ -526,7 +526,7 @@ int session_device_save(SessionDevice *sd) {
                 return 0;
 
         m = strjoina("FDSTORE=1\n"
-                     "FDNAME=session", sd->session->id);
+                     "FDNAME=session-", sd->session->id);
 
         r = sd_pid_notify_with_fds(0, false, m, &sd->fd, 1);
         if (r < 0)