diff --git a/src/branches.cpp b/src/branches.cpp
index a0ffe287..bd8b5a51 100644
--- a/src/branches.cpp
+++ b/src/branches.cpp
@@ -452,8 +452,11 @@ Branches::to_string(void) const
 void
 Branches::find_and_set_mode_ro()
 {
-  Branches::Ptr impl = std::atomic_load(&_impl);
-  auto new_impl = std::make_shared<Branches::Impl>(impl->minfreespace());
+  Branches::Ptr impl;
+  Branches::Ptr new_impl;
+
+  impl = std::atomic_load(&_impl);
+  new_impl = std::make_shared<Branches::Impl>(impl->minfreespace());
 
   *new_impl = *impl;