diff --git a/CHANGELOG.md b/CHANGELOG.md
index 684928bb..7c0a0578 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 -->
 
+## [UNRELEASED]
+
+### Bug fixes
+
+* `ChatGithub()` once again uses the appropriate `base_url` when generating reponses (problem introduced in v0.11.0). (#182)
+
 ## [0.13.0] - 2025-09-10
 
 ### New features
diff --git a/chatlas/_provider_github.py b/chatlas/_provider_github.py
index d282a176..becde768 100644
--- a/chatlas/_provider_github.py
+++ b/chatlas/_provider_github.py
@@ -141,7 +141,7 @@ def ChatGithub(
 
 class GitHubProvider(OpenAIProvider):
     def __init__(self, base_url: str, **kwargs):
-        super().__init__(**kwargs)
+        super().__init__(base_url=base_url, **kwargs)
         self._base_url = base_url
 
     def list_models(self) -> list[ModelInfo]:
@@ -190,7 +190,7 @@ def list_models_gh_azure(base_url: str = "https://models.inference.ai.azure.com"
     for m in models:
         info: ModelInfo = {
             "id": m["name"],
-            "provider": m["publisher"]
+            "provider": m["publisher"],
         }
         res.append(info)
 
diff --git a/pytest.ini b/pytest.ini
index 7d6c1f30..b5fec6f4 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,3 +1,3 @@
 [pytest]
 asyncio_mode=strict
-asyncio_default_fixture_loop_scope=fixture
\ No newline at end of file
+asyncio_default_fixture_loop_scope=function
\ No newline at end of file