Problems when using conditions in find Rails 2.1.0

Never had this issue before updating to Rails 2.1.0. Now for some reason
the condition clause is used with an array is not working. I've been
trying use work arounds but I can't figure it out. Please anyone
HELP!!!!

Query in question.

@furnii_from_furnii = Furni.find(:all, :include => [:raider],
:conditions => ""+Furni.conditions_by_like(@search)+" OR "
+Raider.conditions_by_like(@search)+"")