diff --git a/.zshrc b/.zshrc
index 444f463..926c085 100644
--- a/.zshrc
+++ b/.zshrc
@@ -44,6 +44,11 @@ source $ZSH/oh-my-zsh.sh
 
 ### User configuration
 
+# Set TERM for with or without TMUX
+# http://www.economyofeffort.com/2014/07/04/zsh/
+export TERM=xterm-256color
+[ -n "$TMUX" ] && export TERM=screen-256color
+
 setopt completealiases
 
 prompt_context(){}