diff --git a/include/nana/filesystem/filesystem_selector.hpp b/include/nana/filesystem/filesystem_selector.hpp
index 7d18115f..b0d3ae3a 100644
--- a/include/nana/filesystem/filesystem_selector.hpp
+++ b/include/nana/filesystem/filesystem_selector.hpp
@@ -60,10 +60,8 @@ namespace std {
 	} // experimental
 } // std
 
-#elif (__GNUC__)
-#    include <experimental/filesystem>
 #else
-#    include <filesystem>
+#    include <experimental/filesystem>
 #endif
 
 #ifndef __cpp_lib_experimental_filesystem