diff --git a/mcp/packages/server/src/PluginBridge.ts b/mcp/packages/server/src/PluginBridge.ts
index 6a1e07f9c5..305f5dc35e 100644
--- a/mcp/packages/server/src/PluginBridge.ts
+++ b/mcp/packages/server/src/PluginBridge.ts
@@ -94,7 +94,7 @@ export class PluginBridge {
         private readonly taskTimeoutSecs: number,
         private readonly redisBridge?: RedisBridge
     ) {
-        this.wsServer = new WebSocketServer({ port: port });
+        this.wsServer = new WebSocketServer({ port: port, host: mcpServer.host });
         this.setupWebSocketHandlers();
     }