diff --git a/tests/custom-html/functional/test_content_roundtrip.py b/tests/custom-html/functional/test_content_roundtrip.py
index cbbb9e3..f675c51 100644
--- a/tests/custom-html/functional/test_content_roundtrip.py
+++ b/tests/custom-html/functional/test_content_roundtrip.py
@@ -23,11 +23,11 @@ def test_content_roundtrip(live_app):
     exact bytes round-trip. Non-vacuous: a stale page or misrouted backend would not return our
     randomly-generated content."""
     marker = f"ccci-roundtrip-{uuid.uuid4().hex}"
-    # written into the served volume; nginx routes /<filename> to /srv/www/html/<filename>
+    # written into the served volume; nginx routes /<filename> to /var/www/html/<filename>
     filename = f"ccci-roundtrip-{uuid.uuid4().hex[:12]}.txt"
     lifecycle.exec_in_app(
         live_app,
-        ["sh", "-c", f"mkdir -p /srv/www/html && printf %s {marker} > /srv/www/html/{filename}"],
+        ["sh", "-c", f"mkdir -p /var/www/html && printf %s {marker} > /var/www/html/{filename}"],
     )
 
     url = f"https://{live_app}/{filename}"
diff --git a/tests/custom-html/functional/test_content_type_header.py b/tests/custom-html/functional/test_content_type_header.py
index 0b2728f..99e6648 100644
--- a/tests/custom-html/functional/test_content_type_header.py
+++ b/tests/custom-html/functional/test_content_type_header.py
@@ -40,7 +40,7 @@ def test_content_type_html_and_txt(live_app):
     body = "hello"
     for name in (html_name, txt_name):
         lifecycle.exec_in_app(
-            live_app, ["sh", "-c", f"mkdir -p /srv/www/html && printf %s {body} > /srv/www/html/{name}"]
+            live_app, ["sh", "-c", f"mkdir -p /var/www/html && printf %s {body} > /var/www/html/{name}"]
         )
 
     s_html, h_html = _head(f"https://{live_app}/{html_name}")
diff --git a/tests/custom-html/ops.py b/tests/custom-html/ops.py
index 5fae7f6..5295ba9 100644
--- a/tests/custom-html/ops.py
+++ b/tests/custom-html/ops.py
@@ -1,7 +1,7 @@
 """custom-html — pre-op seed hooks (Phase 1e HC3). The orchestrator runs `pre_<op>(domain, meta)`
 BEFORE it performs the op; the matching test_<op>.py asserts the post-op state (assertion-only).
 
-nginx serves the volume at /srv/www/html, so the marker file survives an upgrade / a
+nginx serves the volume at /var/www/html, so the marker file survives an upgrade / a
 backup+restore of that volume and is both HTTP-readable and exec-readable."""
 
 import os
@@ -10,7 +10,7 @@ import sys
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "runner"))
 from harness import lifecycle  # noqa: E402
 
-MARKER_PATH = "/srv/www/html/ci-marker.txt"
+MARKER_PATH = "/var/www/html/ci-marker.txt"
 
 
 def _write(domain: str, val: str) -> None:
diff --git a/tests/custom-html/test_backup.py b/tests/custom-html/test_backup.py
index 22ee74d..35b629c 100644
--- a/tests/custom-html/test_backup.py
+++ b/tests/custom-html/test_backup.py
@@ -12,7 +12,7 @@ import sys
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "runner"))
 from harness import lifecycle  # noqa: E402
 
-MARKER_PATH = "/srv/www/html/ci-marker.txt"
+MARKER_PATH = "/var/www/html/ci-marker.txt"
 
 
 def test_backup_captures_state(live_app):
diff --git a/tests/custom-html/test_restore.py b/tests/custom-html/test_restore.py
index 43cbd89..bafba6b 100644
--- a/tests/custom-html/test_restore.py
+++ b/tests/custom-html/test_restore.py
@@ -12,7 +12,7 @@ import sys
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "runner"))
 from harness import lifecycle  # noqa: E402
 
-MARKER_PATH = "/srv/www/html/ci-marker.txt"
+MARKER_PATH = "/var/www/html/ci-marker.txt"
 
 
 def test_restore_returns_state(live_app):
diff --git a/tests/custom-html/test_upgrade.py b/tests/custom-html/test_upgrade.py
index 8a64b3b..5490014 100644
--- a/tests/custom-html/test_upgrade.py
+++ b/tests/custom-html/test_upgrade.py
@@ -11,7 +11,7 @@ import sys
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "runner"))
 from harness import lifecycle  # noqa: E402
 
-MARKER_PATH = "/srv/www/html/ci-marker.txt"
+MARKER_PATH = "/var/www/html/ci-marker.txt"
 
 
 def test_upgrade_preserves_data(live_app):