diff --git a/tests/before_script.sh b/tests/before_script.sh
index 471e443..949234b 100755
--- a/tests/before_script.sh
+++ b/tests/before_script.sh
@@ -1,3 +1,4 @@
+set -x
 echo "TRAVIS_PHP_VERSION: ${TRAVIS_PHP_VERSION}"
 
 composer self-update
@@ -54,7 +55,10 @@ server {
 EOF
     sudo /usr/share/hhvm/install_fastcgi.sh
     sudo /etc/init.d/hhvm restart
-    sudo service nginx restart
+    sleep 5
+    sudo service nginx stop
+    sleep 5
+    sudo service nginx start
 elif [[ "${TRAVIS_PHP_VERSION}" == "nightly" ]]; then
     php -S 127.0.0.1:8000 -t tests/PHPCurlClass/ &
 fi