diff --git a/samples/dll/sdk_exe.cpp b/samples/dll/sdk_exe.cpp
index 298a77eb17..b090eb6afc 100644
--- a/samples/dll/sdk_exe.cpp
+++ b/samples/dll/sdk_exe.cpp
@@ -39,7 +39,7 @@ namespace
 
 const TCHAR *MAIN_WIN_CLASS_NAME = _TEXT("my_exe_main_win_class");
 
-const int IDB_RUN_GUI_FROM_DLL = 100;
+const INT_PTR IDB_RUN_GUI_FROM_DLL = 100;
 
 // ----------------------------------------------------------------------------
 // globals
@@ -65,7 +65,7 @@ OnCommand(HWND /* hwnd */, int id, HWND /* hwndCtl */, UINT /* codeNotify */)
     }
 }
 
-void OnDestroy(HWND hwnd)
+void OnDestroy(HWND /* hwnd */)
 {
     wx_dll_cleanup();