diff --git a/src/of_win.cpp b/src/of_win.cpp
index 988d6ae..e67c94b 100644
--- a/src/of_win.cpp
+++ b/src/of_win.cpp
@@ -1,4 +1,6 @@
 #include "of_win.h"
+
+#ifdef _WIN32
 #include <windows.h>
 
 constexpr auto g_VSReg = ofT("");
@@ -70,3 +72,4 @@ bool COfWin::isAdminRun(bool& is_admin)
 	}
 	return static_cast<bool>(isAdmin);
 }
+#endif
\ No newline at end of file