diff --git a/tmux/.tmux.conf b/tmux/.tmux.conf
index 2ac414b..eabd837 100644
--- a/tmux/.tmux.conf
+++ b/tmux/.tmux.conf
@@ -7,17 +7,20 @@ set -sg escape-time 0
 # Ensure terminal starts with its own colour scheme (helps Vim/Neovim themes to not break)
 set-option -g default-terminal "xterm-256color"
 set -g default-terminal "xterm-256color"
-set -g xterm-keys on
 
 #Mouse/Scrollback Tweaks
-set -g history-limit 20000
+set -g history-limit 100000
 setw -g mode-keys vi
 set-option -g mouse on
+set -g xterm-keys on
 set-option -g pane-active-border-fg yellow
 
 #New Keybindings
 bind-key r source-file ~/.tmux.conf \; display-message "~/.tmux.conf reloaded"
 
+# For nested tmux'es
+bind a send-prefix
+
 #Powerline Settings
 run-shell "powerline-daemon -q"
 source "/usr/share/powerline/bindings/tmux/powerline.conf"