1 files changed, 1 insertions, 0 deletions
diff --git a/tmux.h b/tmux.h
index 6a36c1aa..1c643534 100644
--- a/tmux.h
+++ b/tmux.h
@@ -985,6 +985,7 @@ struct session {
 	int		 cwd;
 
 	struct timeval	 creation_time;
+	struct timeval	 last_attached_time;
 	struct timeval	 activity_time;
 	struct timeval	 last_activity_time;