diff --git a/src/branch2.hpp b/src/branch2.hpp
index 060b16a4..600c833f 100644
--- a/src/branch2.hpp
+++ b/src/branch2.hpp
@@ -16,5 +16,6 @@ public:
   bool enabled;
   Mode mode;
   uint64_t min_free_space;
+  int fd;
   ghc::filesystem::path path;
 };