diff --git a/tools/contracts-check.py b/tools/contracts-check.py
index 52010a9..4c13a8c 100755
--- a/tools/contracts-check.py
+++ b/tools/contracts-check.py
@@ -1471,7 +1471,7 @@ def check_openapi():
         lines = f.read().splitlines()
     text = "\n".join(lines)
     head_ok = (re.search(r"^openapi: 3\.1\.0$", text, re.M) and re.search(r"^  title: Kvitt$", text, re.M)
-               and re.search(r"^  version: '1'$", text, re.M) and "url: https://icehack.asuscomm.com:8443" in text)
+               and re.search(r"^  version: '1'$", text, re.M) and re.search(r"^  - url: https://\{host\}:8443\n    variables:\n      host:\n        default: kvitt\.example\.invalid$", text, re.M))
     report(bool(head_ok), "openapi header (3.1.0, title Kvitt, version 1, one server)", "" if head_ok else "header fields differ from §14.3")
     sec_ok = re.search(r"^    device:\n      type: http\n      scheme: bearer$", text, re.M) is not None
     report(sec_ok, "openapi security scheme device = HTTP bearer (§8.2)", "" if sec_ok else "components.securitySchemes.device not found")