diff --git a/app/settings.py b/app/settings.py
index fb2cfc5..ccf0586 100644
--- a/app/settings.py
+++ b/app/settings.py
@@ -37,18 +37,18 @@ def db_dsn_parsed(self) -> URL:
     @property
     def api_bootstrapper_config(self) -> LitestarConfig:
         return LitestarConfig(
-            service_name=settings.service_name,
-            service_version=settings.service_version,
-            service_environment=settings.service_environment,
-            service_debug=settings.service_debug,
-            opentelemetry_endpoint=settings.opentelemetry_endpoint,
-            sentry_dsn=settings.sentry_dsn,
-            cors_allowed_origins=settings.cors_allowed_origins,
-            cors_allowed_methods=settings.cors_allowed_methods,
-            cors_allowed_headers=settings.cors_allowed_headers,
-            cors_exposed_headers=settings.cors_exposed_headers,
-            logging_buffer_capacity=settings.logging_buffer_capacity,
-            swagger_offline_docs=settings.swagger_offline_docs,
+            service_name=self.service_name,
+            service_version=self.service_version,
+            service_environment=self.service_environment,
+            service_debug=self.service_debug,
+            opentelemetry_endpoint=self.opentelemetry_endpoint,
+            sentry_dsn=self.sentry_dsn,
+            cors_allowed_origins=self.cors_allowed_origins,
+            cors_allowed_methods=self.cors_allowed_methods,
+            cors_allowed_headers=self.cors_allowed_headers,
+            cors_exposed_headers=self.cors_exposed_headers,
+            logging_buffer_capacity=self.logging_buffer_capacity,
+            swagger_offline_docs=self.swagger_offline_docs,
         )
 
 
diff --git a/tests/test_settings.py b/tests/test_settings.py
new file mode 100644
index 0000000..48949de
--- /dev/null
+++ b/tests/test_settings.py
@@ -0,0 +1,10 @@
+from app.settings import Settings
+
+
+def test_api_bootstrapper_config_reads_instance_not_global() -> None:
+    custom = Settings(service_name="custom-service", service_version="9.9.9")
+
+    config = custom.api_bootstrapper_config
+
+    assert config.service_name == "custom-service"
+    assert config.service_version == "9.9.9"