lib/hashdiff/compare_hashes.rb in hashdiff-1.1.0 vs lib/hashdiff/compare_hashes.rb in hashdiff-1.1.1

@@ -24,10 +24,14 @@
         common_keys = (obj1_keys & obj2_keys).sort_by(&:to_s)
         deleted_keys = (obj1_keys - obj2_keys).sort_by(&:to_s)
 
         result = []
 
-        opts[:ignore_keys].each { |k| common_keys.delete k }
+        opts[:ignore_keys].each do |k|
+          added_keys.delete k
+          common_keys.delete k
+          deleted_keys.delete k
+        end
 
         # add deleted properties
         deleted_keys.each do |k|
           k = opts[:indifferent] ? obj1_lookup[k] : k
           change_key = Hashdiff.prefix_append_key(opts[:prefix], k, opts)