diff --git a/test/test_headers/test_http.py b/test/test_headers/test_http.py
index 739b455..b2b6147 100644
--- a/test/test_headers/test_http.py
+++ b/test/test_headers/test_http.py
@@ -1,3 +1,7 @@
+import os
+import pytest
+
+
 def test_arbitrary_headers_are_passed_on(docker_compose, nginxproxy):
     r = nginxproxy.get("http://web.nginx-proxy.tld/headers", headers={'Foo': 'Bar'})
     assert r.status_code == 200
@@ -91,6 +95,10 @@ def test_httpoxy_safe(docker_compose, nginxproxy):
     assert "Proxy:" not in r.text
 
 
+@pytest.mark.xfail(
+    condition = os.environ.get("COMPOSE_PROFILES") == "separateContainers",
+    reason = "This test is expected to fail when using separate containers",
+)
 def test_no_host_server_tokens_off(docker_compose, nginxproxy):
     ip = nginxproxy.get_ip()
     r = nginxproxy.get(f"http://{ip}/headers")
diff --git a/test/test_headers/test_https.py b/test/test_headers/test_https.py
index 7a428ae..d833c96 100644
--- a/test/test_headers/test_https.py
+++ b/test/test_headers/test_https.py
@@ -1,3 +1,4 @@
+import os
 import pytest
 
 
@@ -94,6 +95,10 @@ def test_httpoxy_safe(docker_compose, nginxproxy):
     assert "Proxy:" not in r.text
 
 
+@pytest.mark.xfail(
+    condition = os.environ.get("COMPOSE_PROFILES") == "separateContainers",
+    reason = "This test is expected to fail when using separate containers",
+)
 @pytest.mark.filterwarnings('ignore::urllib3.exceptions.InsecureRequestWarning')
 def test_no_host_server_tokens_off(docker_compose, nginxproxy):
     ip = nginxproxy.get_ip()
diff --git a/test/test_multiple-networks.yml b/test/test_multiple-networks.yml
index 8380f15..4c25816 100644
--- a/test/test_multiple-networks.yml
+++ b/test/test_multiple-networks.yml
@@ -17,10 +17,10 @@ services:
     volumes:
       - &dockerSocket /var/run/docker.sock:/tmp/docker.sock:ro
     networks: &nginxProxyNetworks
-      - net1
-      - net2
-      - net3a
-      - net3b
+      net1:
+      net2:
+      net3a:
+      net3b:
 
   nginx-proxy-dockergen:
     profiles: