diff --git a/tmux.conf b/tmux.conf
index 721c988..1d91ac4 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -29,6 +29,11 @@ setw -g aggressive-resize on
 
 #enable mouse mode
 set -g mouse on
+#enable mouse pre-v2.1
+setw -g mode-mouse on
+set -g mouse-select-pane on
+set -g mouse-resize-pane on
+set -g mouse-select-window on
 
 #colors
 set -g window-status-fg blue