Use select and map instead of pluck to make JRuby happy.

1 files changed, 1 insertions, 1 deletions

diff --git a/app/models/refinery/blog/post.rb b/app/models/refinery/blog/post.rb
index 9cf66d6..f0278f4 100644
--- a/app/models/refinery/blog/post.rb
+++ b/app/models/refinery/blog/post.rb
@@ -104,7 +104,7 @@ module Refinery
         end
 
         def published_dates_older_than(date)
-          published_before(date).pluck(:published_at)
+          published_before(date).select(:published_at).map(&:published_at)
         end
 
         def recent(count)