diff --git a/example/src/index.ts b/example/src/index.ts
index 0547cf6..367e7f4 100644
--- a/example/src/index.ts
+++ b/example/src/index.ts
@@ -28,7 +28,10 @@ const broker = MultiMessageBroker.getInstance();
 broker.registerInterfaceConnection({ interfaceConnection: MQTTConnector, config: { reconnectPeriod: 1000 }})
 // Also we need to register the aas and the server interfaces it should use.
 // Multiple server interfaces can be used for the same AAS (by making "serverInterfaces" an array).
-broker.registerAAS({ aas, serverInterfaces: { serverInterface: HTTPInterfaceServer, config: { bindPort: 3000, bindAddress: "0.0.0.0" } } });
+broker.registerAAS({ aas, serverInterfaces: [
+    { serverInterface: HTTPInterfaceServer, config: { bindPort: 3000, bindAddress: "0.0.0.0" } },
+    { serverInterface: HTTPInterfaceServer, config: { bindPort: 3001, bindAddress: "0.0.0.0" } },
+]});
 
 // Prepare the broker (this will create instances of the interfaces and connectors)
 broker.prepare();
diff --git a/lib/src/parser/AIMCParser.ts b/lib/src/parser/AIMCParser.ts
index 76e7c2a..7749ae2 100644
--- a/lib/src/parser/AIMCParser.ts
+++ b/lib/src/parser/AIMCParser.ts
@@ -1,6 +1,6 @@
 import * as aasCore from "@aas-core-works/aas-core3.0-typescript";
 import Traverser from "../helper/traverser";
-import { AssetInterfacesMappingConfiguration, MappingConfEntry, MappingConfiguration } from "../types/aimcConf";
+import type { AssetInterfacesMappingConfiguration, MappingConfEntry, MappingConfiguration } from "../types/aimcConf";
 import { endpointAvailable, ResolvedRelationshipElement } from "../types/common";
 
 /**