diff --git a/src/branches2.hpp b/src/branches2.hpp
index 6df321de..b8b9efbe 100644
--- a/src/branches2.hpp
+++ b/src/branches2.hpp
@@ -22,10 +22,10 @@ public:
   std::vector<BranchTier>::iterator end() { return _branches.end(); }
   std::vector<BranchTier>::const_iterator begin() const { return _branches.begin(); }
   std::vector<BranchTier>::const_iterator end() const { return _branches.end(); }
-  
+
 public:
   uint64_t min_free_space;
-  
+
 private:
   std::vector<BranchTier> _branches;
 };