diff --git a/letstest/scripts/test_apache2.sh b/letstest/scripts/test_apache2.sh
index 5c30bdc35..f7338b3b3 100755
--- a/letstest/scripts/test_apache2.sh
+++ b/letstest/scripts/test_apache2.sh
@@ -7,8 +7,8 @@ if [ "$OS_TYPE" = "ubuntu" ]
 then
     CONFFILE=/etc/apache2/sites-available/000-default.conf
     sudo apt-get update
-    sudo apt-get -y --no-upgrade install apache2 curl
-    sudo apt-get -y install realpath # needed for test-apache-conf
+    sudo DEBIAN_FRONTEND=noninteractive apt-get -y --no-upgrade install apache2 curl
+    sudo DEBIAN_FRONTEND=noninteractive apt-get -y install realpath # needed for test-apache-conf
     # For apache 2.4, set up ServerName
     sudo sed -i '/ServerName/ s/#ServerName/ServerName/' $CONFFILE
     sudo sed -i '/ServerName/ s/www.example.com/'$PUBLIC_HOSTNAME'/' $CONFFILE