diff --git a/zsh/.zshrc b/zsh/.zshrc
index 2130aaa..1a7ecc7 100644
--- a/zsh/.zshrc
+++ b/zsh/.zshrc
@@ -94,6 +94,9 @@ export GPG_TTY=$(tty)
 # Set default browser
 export BROWSER=qutebrowser
 
+# Stop tmux bitching about 256 colours
+export TERM="xterm-256color"
+
 # Refresh gpg-agent tty in case user switches into an X session
 gpg-connect-agent updatestartuptty /bye >/dev/null