diff --git a/exercises/practice/binary-search/binary-search.coffee b/exercises/practice/binary-search/binary-search.coffee
index 1f7b011..6c7ed48 100644
--- a/exercises/practice/binary-search/binary-search.coffee
+++ b/exercises/practice/binary-search/binary-search.coffee
@@ -1,5 +1,5 @@
 class BinarySearch
-  constructor: (@array) ->
+  constructor: (array) ->
 
   find: (value) ->