diff --git a/tests/certbot-boulder-integration.sh b/tests/certbot-boulder-integration.sh
index e250e591b..3bee996ba 100755
--- a/tests/certbot-boulder-integration.sh
+++ b/tests/certbot-boulder-integration.sh
@@ -10,9 +10,17 @@
 
 set -eux
 
-# Check that python executable is available in the PATH. Fail immediatly if not.
+# Check that python executable is available in the PATH. Fail immediately if not.
 command -v python > /dev/null || (echo "Error, python executable is not in the PATH" && exit 1)
 
+# Regardless of whether we're running on a terminal or in a headless
+# test environment like Travis, restart this entire script inside of
+# a PTY to ensure that Certbot thinks it's running on a TTY (to avoid
+# deliberate sleeps associated with noninteractive renewal).
+#    [NOTE: if this causes compatibility problems, we could also try
+#    running it only when the CI environment variable is already set.]
+[ -z "$SYNTHETIC_PTY" ] && SYNTHETIC_PTY=true exec python -c 'import pty, sys; pty.spawn(sys.argv[1:])' "$0" "$@"
+
 . ./tests/integration/_common.sh
 export PATH="$PATH:/usr/sbin"  # /usr/sbin/nginx