diff --git a/src/branches2.hpp b/src/branches2.hpp
index e43282a3..8b0f78f1 100644
--- a/src/branches2.hpp
+++ b/src/branches2.hpp
@@ -2,7 +2,7 @@
 
 #include <vector>
 
-class Branch2Group
+class Branch2Tier
 {
 public:
   uint64_t min_free_space;