diff --git a/letsencrypt-auto b/letsencrypt-auto
index c352482a2..8626ab329 100755
--- a/letsencrypt-auto
+++ b/letsencrypt-auto
@@ -14,7 +14,7 @@ VENV_PATH=${VENV_PATH:-"$XDG_DATA_HOME/$VENV_NAME"}
 VENV_BIN=${VENV_PATH}/bin
 
 if test "`id -u`" -ne "0" ; then
-  if type sudo &>/dev/null; then
+  if type sudo 1>/dev/null 2>&1; then
     SUDO=sudo
   else
     su_sudo() {