diff --git a/src/branches.hpp b/src/branches.hpp
index c64e6ec1..5156067e 100644
--- a/src/branches.hpp
+++ b/src/branches.hpp
@@ -65,6 +65,7 @@ public:
 
 public:
   using Ptr = Branches::Impl::Ptr;
+  operator Ptr() { return _impl; }
 
 public:
   u64 minfreespace = MINFREESPACE_DEFAULT;