diff --git a/tests/gateway/test_dm_topics.py b/tests/gateway/test_dm_topics.py
index 98c6d4c063c..168f1e817ca 100644
--- a/tests/gateway/test_dm_topics.py
+++ b/tests/gateway/test_dm_topics.py
@@ -32,7 +32,7 @@ def _ensure_telegram_mock():
     telegram_mod.constants.ChatType.CHANNEL = "channel"
     telegram_mod.constants.ChatType.PRIVATE = "private"
 
-    for name in ("telegram", "telegram.ext", "telegram.constants"):
+    for name in ("telegram", "telegram.ext", "telegram.constants", "telegram.request"):
         sys.modules.setdefault(name, telegram_mod)
 
 
diff --git a/tests/gateway/test_telegram_network_reconnect.py b/tests/gateway/test_telegram_network_reconnect.py
index 8223823578a..f78a7f20807 100644
--- a/tests/gateway/test_telegram_network_reconnect.py
+++ b/tests/gateway/test_telegram_network_reconnect.py
@@ -27,7 +27,7 @@ def _ensure_telegram_mock():
     telegram_mod.constants.ChatType.CHANNEL = "channel"
     telegram_mod.constants.ChatType.PRIVATE = "private"
 
-    for name in ("telegram", "telegram.ext", "telegram.constants"):
+    for name in ("telegram", "telegram.ext", "telegram.constants", "telegram.request"):
         sys.modules.setdefault(name, telegram_mod)
 
 
@@ -36,6 +36,14 @@ _ensure_telegram_mock()
 from gateway.platforms.telegram import TelegramAdapter  # noqa: E402
 
 
+@pytest.fixture(autouse=True)
+def _no_auto_discovery(monkeypatch):
+    """Disable DoH auto-discovery so connect() uses the plain builder chain."""
+    async def _noop():
+        return []
+    monkeypatch.setattr("gateway.platforms.telegram.discover_fallback_ips", _noop)
+
+
 def _make_adapter() -> TelegramAdapter:
     return TelegramAdapter(PlatformConfig(enabled=True, token="test-token"))