diff --git a/dotfiles/lib/zsh/term_support.sh b/dotfiles/lib/zsh/term_support.sh
index c056989e..23bebf34 100644
--- a/dotfiles/lib/zsh/term_support.sh
+++ b/dotfiles/lib/zsh/term_support.sh
@@ -33,3 +33,20 @@ function omz_termsupport_preexec {
 autoload -U add-zsh-hook
 add-zsh-hook precmd  omz_termsupport_precmd
 add-zsh-hook preexec omz_termsupport_preexec
+
+function emacs_ansi_term_support {
+    echo -e "\033AnSiTu" "$LOGNAME" # $LOGNAME is more portable than using whoami.
+    echo -e "\033AnSiTc" "$(pwd)"
+    if [ $(uname) = "SunOS" ]; then
+	    # The -f option does something else on SunOS and is not needed anyway.
+       	hostname_options="";
+    else
+        hostname_options="-f";
+    fi
+    echo -e "\033AnSiTh" "$(hostname $hostname_options)" # Using the -f option can
+    # cause problems on some OSes.
+}
+
+if environment_variable_exists INSIDE_EMACS; then
+	add-zsh-hook precmd emacs_ansi_term_support
+fi