diff --git a/include/exiv2/futils.hpp b/include/exiv2/futils.hpp
index 25b1f38a..db674efe 100644
--- a/include/exiv2/futils.hpp
+++ b/include/exiv2/futils.hpp
@@ -26,7 +26,8 @@
   @date    12-Dec-03, ahu: created<BR>
            02-Apr-05, ahu: moved to Exiv2 namespace
  */
-#pragma once
+#ifndef FUTILS_HPP_
+#define FUTILS_HPP_
 
 #include "config.h"
 
@@ -201,4 +202,6 @@ namespace Exiv2
         static void EXIV2API Decode(Uri& uri);
     };
 
-}  // namespace Exiv2
\ No newline at end of file
+}  // namespace Exiv2
+
+#endif // #ifndef FUTILS_HPP_
\ No newline at end of file