diff --git a/zshrc b/zshrc
index 9f15868..b23e348 100644
--- a/zshrc
+++ b/zshrc
@@ -7,7 +7,11 @@ export ZSH=$HOME/.oh-my-zsh
 
 ZSH_THEME="ys"
 
-plugins=(git)
+# System variables for tmux configuration
+export ZSH_TMUX_AUTOSTART=false
+export ZSH_TMUX_AUTOSTART_ONCE=true
+
+plugins=(archlinux systemd common-aliases history screen tmux wd git git-extras mercurial)
 
 source $ZSH/oh-my-zsh.sh