diff --git a/src/branches2.hpp b/src/branches2.hpp
index d4fc7c02..d8ab61ea 100644
--- a/src/branches2.hpp
+++ b/src/branches2.hpp
@@ -24,7 +24,7 @@ public:
   std::vector<BranchTier>::iterator begin() { return _branches.begin(); }
   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(); }  
+  std::vector<BranchTier>::const_iterator end() const { return _branches.end(); }
 
 private:
   std::vector<BranchTier> _branches;