diff --git a/libi2pd/FS.h b/libi2pd/FS.h
index aa819551..987e0aa9 100644
--- a/libi2pd/FS.h
+++ b/libi2pd/FS.h
@@ -16,8 +16,8 @@
 #include <functional>
 
 #ifndef STD_FILESYSTEM
-#include <filesystem>
 #if __cplusplus >= 201703L // C++ 17 or higher 
+#include <filesystem>
 #if (!defined(MAC_OSX) && !TARGET_OS_SIMULATOR && defined(__cpp_lib_filesystem)) // supports std::filesystem
 #	define STD_FILESYSTEM 1
 #endif