diff --git a/src/branch2.cpp b/src/branch2.cpp
index aa48d8d9..88b9c6a7 100644
--- a/src/branch2.cpp
+++ b/src/branch2.cpp
@@ -8,6 +8,7 @@ Branch2::Branch2()
 }
 
 Branch2::Branch2(toml::value const &v_)
+  : mode(Mode::RW)
 {
   enabled = v_.at("enabled").as_boolean();
   mode    = Mode::RW;