diff --git a/tmux/.config/tmux/tmux.conf b/tmux/.config/tmux/tmux.conf
index c69abda..a9a9186 100644
--- a/tmux/.config/tmux/tmux.conf
+++ b/tmux/.config/tmux/tmux.conf
@@ -19,3 +19,6 @@ bind R source ~/.config/tmux/tmux.conf
 bind c new-window -c '#{pane_current_path}'
 bind "\"" split-window -c '#{pane_current_path}'
 bind "\%" split-window -h -c '#{pane_current_path}'
+
+# Larger buffer size, 2000 is always too small.
+set-option -g history-limit 10000