diff --git a/certbot-nginx/tests/boulder-integration.conf.sh b/certbot-nginx/tests/boulder-integration.conf.sh
index 5f077f998..c38180698 100755
--- a/certbot-nginx/tests/boulder-integration.conf.sh
+++ b/certbot-nginx/tests/boulder-integration.conf.sh
@@ -49,9 +49,9 @@ http {
 
   server {
     # IPv4.
-    listen 8081;
+    listen 5002;
     # IPv6.
-    listen [::]:8081 default ipv6only=on;
+    listen [::]:5002 default ipv6only=on;
     server_name nginx.wtf nginx2.wtf;
 
     root $root/webroot;