diff --git a/app/models/feed_reader_block.rb b/app/models/feed_reader_block.rb
index 2cca224..d189628 100644
--- a/app/models/feed_reader_block.rb
+++ b/app/models/feed_reader_block.rb
@@ -12,7 +12,7 @@ class FeedReaderBlock < Block
   def address=(new_address)
     old_address = address
     orig_set_address(new_address)
-    self.enabled = (old_address.blank? && !new_address.blank?) || (new_address && new_address != old_address) || false
+    self.enabled = (new_address && new_address != old_address) || (new_address && self.enabled) || false
   end
 
   settings_items :limit, :type => :integer
diff --git a/test/unit/feed_reader_block_test.rb b/test/unit/feed_reader_block_test.rb
index f554ccc..0279a80 100644
--- a/test/unit/feed_reader_block_test.rb
+++ b/test/unit/feed_reader_block_test.rb
@@ -173,4 +173,10 @@ class FeedReaderBlockTest < ActiveSupport::TestCase
     assert_equal true, reader.enabled, 'must enable when setting to new address'
   end
 
+  should 'kepp enable when address is not changed' do
+    reader = build(:feed_reader_block, :address => 'http://www.example.com/feed')
+    reader.address = 'http://www.example.com/feed'
+    assert_equal true, reader.enabled
+  end
+
 end
--
libgit2 0.21.2