diff --git a/src/branch2.hpp b/src/branch2.hpp
index cdab6394..6fd948f0 100644
--- a/src/branch2.hpp
+++ b/src/branch2.hpp
@@ -17,6 +17,7 @@ public:
 public:
   Branch2();
   Branch2(toml::value const &);
+  ~Branch2();
 
 public:
   bool enabled;