diff --git a/.tmux.conf b/.tmux.conf
index 288380e..6420b77 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -10,3 +10,6 @@ set-option -ga terminal-overrides ",xterm*:Tc"
 
 # vi style copy mode
 setw -g mode-keys vi
+
+# do not truncate session name
+set -g status-left-length 15