1 files changed, 3 insertions, 0 deletions
diff --git a/src/io/fwd.hpp b/src/io/fwd.hpp
index 1e5fa82..2032c3b 100644
--- a/src/io/fwd.hpp
+++ b/src/io/fwd.hpp
@@ -22,11 +22,14 @@
 # include "../sanity.hpp"
 
 
+namespace tmwa
+{
 namespace io
 {
     class ReadFile;
     class WriteFile;
     class AppendFile;
 } // namespace io
+} // namespace tmwa
 
 #endif // TMWA_IO_FWD_HPP