diff --git a/src/fs.h b/src/fs.h
index 0082f8b4835..bdccb152322 100644
--- a/src/fs.h
+++ b/src/fs.h
@@ -12,6 +12,7 @@
 #endif
 
 #include <boost/filesystem.hpp>
+#include <boost/filesystem/fstream.hpp>
 
 /** Filesystem operations and types */
 namespace fs = boost::filesystem;