diff --git a/histogram.hpp b/histogram.hpp
index a031127..0c314d5 100644
--- a/histogram.hpp
+++ b/histogram.hpp
@@ -116,8 +116,8 @@
             else
             {
                 buckets_[bucket_idx]++;
-                max_bucket_height_ =
-                    std::max(max_bucket_height_, buckets_[bucket_idx]);
+                max_bucket_height_ = std::max(max_bucket_height_,
+                                              buckets_[bucket_idx]);
             }
         }
     }