diff --git a/dot_tmux.conf b/dot_tmux.conf.tmpl
similarity index 89%
rename from dot_tmux.conf
rename to dot_tmux.conf.tmpl
index a222b02..2ab2340 100644
--- a/dot_tmux.conf
+++ b/dot_tmux.conf.tmpl
@@ -30,12 +30,19 @@ setw -g mode-keys vi
 bind v copy-mode
 # v to start a visual selection
 bind -T copy-mode-vi v send -X begin-selection
+{{- if eq .chezmoi.os "darwin" }}
+# y to yank
+bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"
+# mouse support
+bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "pbcopy"
+{{- else }}
 # 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
+{{- end }}
+# prefix + P to paste
+bind P paste-buffer
 
 # color support
 set -g default-terminal "xterm-256color"