diff --git a/lib/jekyll/site.rb b/lib/jekyll/site.rb
index b0dcbb06..6ea36a2e 100644
--- a/lib/jekyll/site.rb
+++ b/lib/jekyll/site.rb
@@ -73,7 +73,7 @@ module Jekyll
       # directory.
       unless self.safe
         self.plugins.each do |plugins|
-            Dir[File.join(plugins, "**/*.rb")].each do |f|
+            Dir[File.join(plugins, "**/*.rb")].sort.each do |f|
               require f
             end
         end