diff --git a/app/models/project_query.rb b/app/models/project_query.rb
index 19c13a524..811657a67 100644
--- a/app/models/project_query.rb
+++ b/app/models/project_query.rb
@@ -68,6 +68,7 @@ class ProjectQuery < Query
 
   def available_columns
     return @available_columns if @available_columns
+
     @available_columns = self.class.available_columns.dup
     @available_columns += project_custom_fields.visible.
                             map {|cf| QueryCustomFieldColumn.new(cf)}