diff --git a/dot_tmux.conf b/dot_tmux.conf
index 3ef1e16..a222b02 100644
--- a/dot_tmux.conf
+++ b/dot_tmux.conf
@@ -24,8 +24,20 @@ set -g mouse on
 # don't rename windows automatically
 set-option -g allow-rename off
 
-#set-window-option -g mode-keys vi
+# vim mode for copying
+setw -g mode-keys vi
+# prefix + v to enter copy mode
+bind v copy-mode
+# v to start a visual selection
+bind -T copy-mode-vi v send -X begin-selection
+# y to yank
+bind -T copy-mode-vi y send -X copy-pipe-and-cancel
+# prefix + P to paste
+bind P paste-buffer
+# mouse support
+bind -T copy-mode-vi MouseDragEnd1Pane send -X copy-pipe-and-cancel
 
+# color support
 set -g default-terminal "xterm-256color"
 set -ga terminal-overrides ",xterm-256color:Tc"