diff --git a/tests/test_integration.py b/tests/test_integration.py
index 2166d70..940b136 100644
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -170,8 +170,13 @@ class TestConfigValidation:
 
         settings = get_settings()
 
-        # Should have loaded test environment variables
-        assert settings.postgres_host == "test-postgres"
+        # Should have loaded test environment variables. tests/conftest.py
+        # sets POSTGRES_HOST="postgres-shared" (module-level, before `from
+        # src.main import app`), annotated "Use real postgres for integration
+        # tests" — this assertion checked for "test-postgres", a value
+        # nothing in the suite has ever set. Matched to the fixture actually
+        # in effect rather than to an unset value.
+        assert settings.postgres_host == "postgres-shared"
         assert settings.postgres_db == "test_scheduler"
         assert settings.scheduler_api_key == "test-api-key-12345"