diff --git a/src/branches2.cpp b/src/branches2.cpp
index ea659cbd..bd6199d8 100644
--- a/src/branches2.cpp
+++ b/src/branches2.cpp
@@ -26,9 +26,12 @@ Branches2::Branches2(toml::value const &v_)
 void
 Branches2::copy_enabled_rw(Branches2 &b_)
 {
+  _branches.resize(b_._branches.size());
   for(auto const &bt : _branches)
     {
+      BranchTier newbt;
 
+      bt.copy_enabled_rw(newbt)
     }
 }