diff --git a/test/test_custom/my_custom_proxy_settings.conf b/test/test_custom/my_custom_proxy_settings_f00.conf
similarity index 100%
rename from test/test_custom/my_custom_proxy_settings.conf
rename to test/test_custom/my_custom_proxy_settings_f00.conf
diff --git a/test/test_custom/test_defaults-location.yml b/test/test_custom/test_defaults-location.yml
index 9a3ab44..6e89650 100644
--- a/test/test_custom/test_defaults-location.yml
+++ b/test/test_custom/test_defaults-location.yml
@@ -5,7 +5,7 @@ services:
     image: nginxproxy/nginx-proxy:test
     volumes:
       - /var/run/docker.sock:/tmp/docker.sock:ro
-      - ./my_custom_proxy_settings.conf:/etc/nginx/vhost.d/default_location:ro
+      - ./my_custom_proxy_settings_f00.conf:/etc/nginx/vhost.d/default_location:ro
       - ./my_custom_proxy_settings_bar.conf:/etc/nginx/vhost.d/web3.nginx-proxy.example_location:ro
 
   web1:
diff --git a/test/test_custom/test_defaults.yml b/test/test_custom/test_defaults.yml
index d6a959a..2f25387 100644
--- a/test/test_custom/test_defaults.yml
+++ b/test/test_custom/test_defaults.yml
@@ -5,7 +5,7 @@ services:
     image: nginxproxy/nginx-proxy:test
     volumes:
       - /var/run/docker.sock:/tmp/docker.sock:ro
-      - ./my_custom_proxy_settings.conf:/etc/nginx/proxy.conf:ro
+      - ./my_custom_proxy_settings_f00.conf:/etc/nginx/proxy.conf:ro
 
   web1:
     image: web
diff --git a/test/test_custom/test_location-per-vhost.yml b/test/test_custom/test_location-per-vhost.yml
index 5a6164c..71e606a 100644
--- a/test/test_custom/test_location-per-vhost.yml
+++ b/test/test_custom/test_location-per-vhost.yml
@@ -5,7 +5,7 @@ services:
     image: nginxproxy/nginx-proxy:test
     volumes:
       - /var/run/docker.sock:/tmp/docker.sock:ro
-      - ./my_custom_proxy_settings.conf:/etc/nginx/vhost.d/web1.nginx-proxy.example_location:ro
+      - ./my_custom_proxy_settings_f00.conf:/etc/nginx/vhost.d/web1.nginx-proxy.example_location:ro
       - ./my_custom_proxy_settings_bar.conf:/etc/nginx/vhost.d/561032515ede3ab3a015edfb244608b72409c430_location:ro
 
   web1:
diff --git a/test/test_custom/test_per-vhost.yml b/test/test_custom/test_per-vhost.yml
index 337fc56..0795cef 100644
--- a/test/test_custom/test_per-vhost.yml
+++ b/test/test_custom/test_per-vhost.yml
@@ -5,7 +5,7 @@ services:
     image: nginxproxy/nginx-proxy:test
     volumes:
       - /var/run/docker.sock:/tmp/docker.sock:ro
-      - ./my_custom_proxy_settings.conf:/etc/nginx/vhost.d/web1.nginx-proxy.example:ro
+      - ./my_custom_proxy_settings_f00.conf:/etc/nginx/vhost.d/web1.nginx-proxy.example:ro
       - ./my_custom_proxy_settings_bar.conf:/etc/nginx/vhost.d/561032515ede3ab3a015edfb244608b72409c430:ro
 
   web1:
diff --git a/test/test_custom/test_proxy-wide.yml b/test/test_custom/test_proxy-wide.yml
index 1322bcd..22e5c18 100644
--- a/test/test_custom/test_proxy-wide.yml
+++ b/test/test_custom/test_proxy-wide.yml
@@ -5,7 +5,7 @@ services:
     image: nginxproxy/nginx-proxy:test
     volumes:
       - /var/run/docker.sock:/tmp/docker.sock:ro
-      - ./my_custom_proxy_settings.conf:/etc/nginx/conf.d/my_custom_proxy_settings.conf:ro
+      - ./my_custom_proxy_settings_f00.conf:/etc/nginx/conf.d/my_custom_proxy_settings_f00.conf:ro
 
   web1:
     image: web