diff --git a/src/fs.h b/src/fs.h
index 0ef2944211..50d14f3eef 100644
--- a/src/fs.h
+++ b/src/fs.h
@@ -1,23 +1,23 @@
 // Copyright (c) 2017 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #ifndef BITCOIN_FS_H
 #define BITCOIN_FS_H
 
 #include <cstdio>
 #include <string>
 
 #include <boost/filesystem.hpp>
 #include <boost/filesystem/fstream.hpp>
 
 /** Filesystem operations and types */
 namespace fs = boost::filesystem;
 
 /** Bridge operations to C stdio */
 namespace fsbridge {
 FILE *fopen(const fs::path &p, const char *mode);
 FILE *freopen(const fs::path &p, const char *mode, FILE *stream);
 };
 
-#endif
+#endif // BITCOIN_FS_H