diff --git a/cluster.cc b/cluster.cc
index ee3a6ea61ad37c08180a9d958118a7c9d0f624d3..dc03cafb28c04b8fc0f151491dcad4d0ecc4c73e 100644
--- a/cluster.cc
+++ b/cluster.cc
@@ -64,6 +64,7 @@ void get_stats(const volume<int>& labelim, const volume<T>& origim,
   }
 }
 
+
 void get_sizeorder(const std::vector<int>& size, std::vector<int>& sizeorder) 
 {
   // A BAD O(N^2) SORTING ALGORITHM...