diff --git a/cores/arduino/Server.h b/cores/arduino/Server.h
index 69e3e39fe..8dfd70432 100644
--- a/cores/arduino/Server.h
+++ b/cores/arduino/Server.h
@@ -25,6 +25,7 @@
 class Server : public Print {
 public:
   virtual void begin() =0;
+  virtual ~Server() {}
 };
 
 #endif