diff --git a/test/test_wildcard_host.yml b/test/test_wildcard_host.yml
index 742a8ac..52ba045 100644
--- a/test/test_wildcard_host.yml
+++ b/test/test_wildcard_host.yml
@@ -28,7 +28,7 @@ web4:
     - "84"
   environment:
     WEB_PORTS: "84"
-    VIRTUAL_HOST: ~^web4\..*\.nginx-proxy\.regexp$$ # we need to double the `$` because of docker-compose variable interpolation
+    VIRTUAL_HOST: ~^web4\..*\.nginx-proxy\.regexp
 
 
 sut: