diff --git a/nextcloud_mcp_server/config.py b/nextcloud_mcp_server/config.py
index 97783d9c1..a8d7c3f29 100644
--- a/nextcloud_mcp_server/config.py
+++ b/nextcloud_mcp_server/config.py
@@ -1731,7 +1731,20 @@ def __post_init__(self):
         # rather than raise: the prefix set is the gateway's, not a closed
         # universe, and refusing to boot over a model name we cannot validate
         # would be worse than saying so.
-        if self.search_rerank_enabled and self.search_rerank_url:
+        #
+        # "Explicit URL" does NOT imply "not the gateway": pointing
+        # SEARCH_RERANK_URL at the gateway's own /v1/rerank is a legitimate
+        # configuration (it is how you pin the endpoint while still using the
+        # gateway), and the routing prefix is correct there. Only warn when the
+        # URL is somewhere OTHER than the configured gateway — otherwise the
+        # warning fires on a working setup and trains operators to ignore it.
+        _direct_rerank = bool(self.search_rerank_url) and not (
+            self.embedding_gateway_url
+            and self.search_rerank_url.startswith(
+                self.embedding_gateway_url.rstrip("/")
+            )
+        )
+        if self.search_rerank_enabled and _direct_rerank:
             _prefix, _, _bare = self.search_rerank_model.partition("/")
             if _prefix in GATEWAY_MODEL_NAMESPACES:
                 logger.warning(
diff --git a/tests/unit/test_config.py b/tests/unit/test_config.py
index 80a4d8f9a..611ee5f4c 100644
--- a/tests/unit/test_config.py
+++ b/tests/unit/test_config.py
@@ -357,6 +357,26 @@ def test_direct_url_warns_about_the_gateway_namespaced_default_model(self, caplo
         assert "SEARCH_RERANK_MODEL" in caplog.text
         assert "BAAI/bge-reranker-v2-m3" in caplog.text
 
+    @patch.dict(
+        os.environ,
+        {
+            "SEARCH_RERANK_ENABLED": "true",
+            "EMBEDDING_GATEWAY_URL": "https://gw.example",
+            "SEARCH_RERANK_URL": "https://gw.example/v1/rerank",
+        },
+        clear=True,
+    )
+    def test_rerank_url_pointing_at_the_gateway_is_quiet(self, caplog):
+        """Pinning SEARCH_RERANK_URL to the gateway's OWN /v1/rerank is a valid
+        configuration -- the routing prefix is correct there. Warning on it fires
+        on a working setup, which is how operators learn to ignore warnings."""
+        _reload_config()
+        with caplog.at_level(logging.WARNING, logger="nextcloud_mcp_server.config"):
+            settings = get_settings()
+
+        assert settings.search_rerank_model == "local/BAAI/bge-reranker-v2-m3"
+        assert "SEARCH_RERANK_MODEL" not in caplog.text
+
     @patch.dict(
         os.environ,
         {
diff --git a/third_party/astrolabe b/third_party/astrolabe
index ccd2d180e..318fba63c 160000
--- a/third_party/astrolabe
+++ b/third_party/astrolabe
@@ -1 +1 @@
-Subproject commit ccd2d180e88d5ba71948c4617159cf654481a9c4
+Subproject commit 318fba63cdd85e61b8bee8b76877e6c52b0b7fe0