1 files changed, 1 insertions, 0 deletions
diff --git a/tmux.h b/tmux.h
index 0223d857..8cd83e27 100644
--- a/tmux.h
+++ b/tmux.h
@@ -981,6 +981,7 @@ struct session {
 	int		 cwd;
 
 	struct timeval	 creation_time;
+	struct timeval	 last_attached_time;
 	struct timeval	 activity_time;
 	struct timeval	 last_activity_time;