diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index a36a137..650e787 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -905,7 +905,8 @@ module ActiveRecord #:nodoc:
           sign = increment < 0 ? "-" : "+"
           list << "#{connection.quote_column_name(counter_name)} = COALESCE(#{connection.quote_column_name(counter_name)}, 0) #{sign} #{increment.abs}"
         }.join(", ")
-        update_all(updates, "#{connection.quote_column_name(primary_key)} = #{quote_value(id)}")
+        condition  = id.is_a?(Array)? "IN  (#{id.map { |i| quote_value(i) }.join(',')})" : "= #{quote_value(id)}"
+        update_all(updates, "#{connection.quote_column_name(primary_key)} #{condition}")
       end
 
       # Increment a number field by one, usually representing a count.
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index da9f274..5e1cc1a 100755
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -641,6 +641,13 @@ class BasicsTest < ActiveRecord::TestCase
     category.reload
     assert_not_nil category.categorizations_count
     assert_equal 4, category.categorizations_count
+
+    category_2 = categories(:technology)
+    count_1, count_2 = (category.categorizations_count || 0), (category_2.categorizations_count || 0)
+    Category.update_counters([category.id, category_2.id], "categorizations_count" => 2)
+    category.reload; category_2.reload
+    assert_equal count_1 + 2, category.categorizations_count
+    assert_equal count_2 + 2, category_2.categorizations_count
   end
 
   def test_update_all