diff --git a/lib/i18n/backend/base.rb b/lib/i18n/backend/base.rb
index 672c993c..b04a259e 100644
--- a/lib/i18n/backend/base.rb
+++ b/lib/i18n/backend/base.rb
@@ -163,6 +163,7 @@ def resolve(locale, object, subject, options = EMPTY_HASH)
         #   not standard with regards to the CLDR pluralization rules.
         # Other backends can implement more flexible or complex pluralization rules.
         def pluralize(locale, entry, count)
+          entry = entry.reject { |k, _v| k == :attributes } if entry.is_a?(Hash)
           return entry unless entry.is_a?(Hash) && count && entry.values.none? { |v| v.is_a?(Hash) }
 
           key = pluralization_key(entry, count)
diff --git a/test/backend/pluralization_test.rb b/test/backend/pluralization_test.rb
index 1518efdb..d955818e 100644
--- a/test/backend/pluralization_test.rb
+++ b/test/backend/pluralization_test.rb
@@ -39,6 +39,11 @@ def setup
     assert_equal 'few', I18n.t(:count => 0, :default => @entry, :locale => :xx)
   end
 
+  test "pluralization picks one for 1 if the entry has attributes hash on unknown locale" do
+    @entry[:attributes] = { :field => 'field', :second => 'second' }
+    assert_equal 'one', I18n.t(:count => 1, :default => @entry, :locale => :pirate)
+  end
+
   test "Fallbacks can pick up rules from fallback locales, too" do
     assert_equal @rule, I18n.backend.send(:pluralizer, :'xx-XX')
   end