diff --git a/lib/jekyll/page.rb b/lib/jekyll/page.rb
index eda87f123..6bdfb6bc4 100644
--- a/lib/jekyll/page.rb
+++ b/lib/jekyll/page.rb
@@ -55,7 +55,9 @@ module Jekyll
     #
     # Returns the String destination directory.
     def dir
-      url[-1, 1] == '/' ? url : File.dirname(url)
+      dest_dir = url[-1, 1] == '/' ? url : File.dirname(url)
+      dest_dir << '/' unless dest_dir.end_with?('/')
+      dest_dir
     end
 
     # The full path and filename of the post. Defined in the YAML of the post