lib/cistern/hash.rb in cistern-1.0.1.pre4 vs lib/cistern/hash.rb in cistern-1.0.1.pre5

@@ -9,10 +9,10 @@
     Cistern::Hash.except!(hash.dup, *keys)
   end
 
   # Replaces the hash without the given keys.
   def self.except!(hash, *keys)
-    hash.keys.each { |key| hash.delete(key) }
+    keys.each { |key| hash.delete(key) }
     hash
   end
 
   def self.stringify_keys(object)
     case object