Index: vendor/plugins/acts_as_searchable/lib/acts_as_searchable.rb
===================================================================
--- vendor/plugins/acts_as_searchable/lib/acts_as_searchable.rb	(revision 1524)
+++ vendor/plugins/acts_as_searchable/lib/acts_as_searchable.rb	(working copy)
@@ -27,7 +27,9 @@
           return if self.included_modules.include?(Redmine::Acts::Searchable::InstanceMethods)
   
           cattr_accessor :searchable_options
-          self.searchable_options = options
+ 
+          self.searchable_options = { :project_key => "project_id", :date_column => "created_on"}
+          searchable_options.update(options) if options.is_a?(Hash)
 
           if searchable_options[:columns].nil?
             raise 'No searchable column defined.'
@@ -35,20 +37,6 @@
             searchable_options[:columns] = [] << searchable_options[:columns]
           end
 
-          if searchable_options[:project_key]
-          elsif column_names.include?('project_id')
-            searchable_options[:project_key] = "#{table_name}.project_id"
-          else
-            raise 'No project key defined.'
-          end
-          
-          if searchable_options[:date_column]
-          elsif column_names.include?('created_on')
-            searchable_options[:date_column] = "#{table_name}.created_on"
-          else
-            raise 'No date column defined defined.'
-          end
-          
           # Permission needed to search this model
           searchable_options[:permission] = "view_#{self.name.underscore.pluralize}".to_sym unless searchable_options.has_key?(:permission)