diff --git a/lib/helpers/hull.rb b/lib/helpers/hull.rb
index a59cb07..6658f61 100644
--- a/lib/helpers/hull.rb
+++ b/lib/helpers/hull.rb
@@ -23,6 +23,8 @@
 module Hull
   def self.get_hull(vector)
     concave_hull(vector, 5) || convex_hull(vector)
+  rescue SystemStackError
+    convex_hull(vector)
   end
 
   # vector of unique points