diff --git a/src/Extensions/CloseCycle.cs b/src/Extensions/CloseCycle.cs
index 641684c..593ae72 100644
--- a/src/Extensions/CloseCycle.cs
+++ b/src/Extensions/CloseCycle.cs
@@ -1,3 +1,4 @@
+using Bonsai;
 using System;
 using System.ComponentModel;
 using System.Linq;
@@ -11,7 +12,8 @@
 )]
 public class CloseCycle
 {
-    public IObservable<TElement> Process<TElement>(IObservable<TElement> source)
+    public IObservable<TElement> Process<TElement>(
+        IObservable<TElement> source)
     {
         return source
             .ToArray()
@@ -20,4 +22,4 @@ public IObservable<TElement> Process<TElement>(IObservable<TElement> source)
                     ? elements
                     : elements.Concat(new[] { elements[0] }));
     }
-}
+}
\ No newline at end of file