diff --git a/base/utils.sh b/base/utils.sh
index b5676bf..b7cf3ea 100755
--- a/base/utils.sh
+++ b/base/utils.sh
@@ -42,10 +42,16 @@ create_super_user() {
 
 set_nginx_port() {
     echo "setting nginx port"
-    # the nginx s6 service copies the file from /nginx/nginx.conf, which overwrites our changes,
-    # so we have to change the source file.
-    /usr/bin/sed -i s/listen\ 80/listen\ "${NGINX_PORT}"/g /nginx/nginx.conf
-    /usr/bin/sed -i s/listen\ 443/listen\ "${NGINX_SSL_PORT}"/g /nginx/ssl_nginx.conf
+    # the nginx s6 service templates/copies the file from /nginx/nginx.conf.j2;/nginx/nginx.conf,
+    # which overwrites our changes, so we have to change the source file.
+    if [[ -f /nginx/nginx.conf ]]; then
+      /usr/bin/sed -i s/listen\ 80/listen\ "${NGINX_PORT}"/g /nginx/nginx.conf
+      /usr/bin/sed -i s/listen\ 443/listen\ "${NGINX_SSL_PORT}"/g /nginx/ssl_nginx.conf
+    fi
+    if [[ -f /nginx/nginx.conf.j2 ]]; then
+      /usr/bin/sed -i s/listen\ 80/listen\ "${NGINX_PORT}"/g /nginx/nginx.conf.j2
+      /usr/bin/sed -i s/listen\ 443/listen\ "${NGINX_SSL_PORT}"/g /nginx/nginx.conf.j2
+    fi
 
     # this is the older command. Leaving this in for backwards compatibility for devs that haven't
     # updated their images.