diff --git a/app/helpers/officing_helper.rb b/app/helpers/officing_helper.rb
index 8992b75a2..e22e015de 100644
--- a/app/helpers/officing_helper.rb
+++ b/app/helpers/officing_helper.rb
@@ -4,7 +4,7 @@ module OfficingHelper
     officer_assignments.each do |oa|
       options << [oa.booth_assignment.booth.name.to_s, oa.id]
     end
-    options.sort! { |x, y| x[0] <=> y[0] }
+    options.sort_by! { |x| x[0] }
     options_for_select(options, params[:oa])
   end