diff --git a/samples/sockets/baseclient.cpp b/samples/sockets/baseclient.cpp
index 7143c10db5..9cfd83fa4f 100644
--- a/samples/sockets/baseclient.cpp
+++ b/samples/sockets/baseclient.cpp
@@ -27,7 +27,7 @@
 #include "wx/thread.h"
 
 const wxEventType wxEVT_WORKER = wxNewEventType();
-#define EVT_WORKER(func) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_WORKER, -1, -1, (wxObjectEventFunction) (wxEventFunction) (WorkerEventFunction) & func, (wxObject *) nullptr ),
+#define EVT_WORKER(func) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_WORKER, -1, -1, wxEVENT_HANDLER_CAST(WorkerEventFunction, func), (wxObject *) nullptr ),
 
 const int timeout_val = 1000;
 
diff --git a/samples/sockets/baseserver.cpp b/samples/sockets/baseserver.cpp
index 760387afc3..97cb2f9570 100644
--- a/samples/sockets/baseserver.cpp
+++ b/samples/sockets/baseserver.cpp
@@ -64,7 +64,7 @@ const char *GetSocketErrorMsg(int pSockError)
 //event sent by workers to server class
 //after client is served
 const wxEventType wxEVT_WORKER = wxNewEventType();
-#define EVT_WORKER(func) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_WORKER, -1, -1, (wxObjectEventFunction) (wxEventFunction) (WorkerEventFunction) & func, (wxObject *) nullptr ),
+#define EVT_WORKER(func) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_WORKER, -1, -1, wxEVENT_HANDLER_CAST(WorkerEventFunction, func), (wxObject *) nullptr ),
 
 class WorkerEvent : public wxEvent
 {