diff --git a/clientgui/stdwx.h b/clientgui/stdwx.h
index f2435fb9db..eb6cff98cb 100644
--- a/clientgui/stdwx.h
+++ b/clientgui/stdwx.h
@@ -24,6 +24,9 @@
 #ifndef __STDWX_H__
 #define __STDWX_H__
 
+
+#ifdef __WIN32__
+
 // Modify the following defines if you have to target a platform prior to the ones specified below.
 // Refer to MSDN for the latest info on corresponding values for different platforms.
 #ifndef WINVER                  // Allow use of features specific to Windows 95 and Windows NT 4 or later.
@@ -42,6 +45,8 @@
 #define _WIN32_IE 0x0501        // Change this to the appropriate value to target IE 6.0 or later.
 #endif
 
+#endif
+
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"