diff --git a/Library/Homebrew/cmd/versions.rb b/Library/Homebrew/cmd/versions.rb
index 6987fce8ad..daca2469a8 100644
--- a/Library/Homebrew/cmd/versions.rb
+++ b/Library/Homebrew/cmd/versions.rb
@@ -39,12 +39,18 @@ class Formula
   def bottle_filenames branch='HEAD'
     filenames = []
     rev_list(branch).each do |sha|
-      filename = formula_for_sha(sha) {|f| bottle_filename f if f.bottle }
+      filename = formula_for_sha(sha) do |f|
+        bottle_block = f.class.send(:bottle)
+        unless bottle_block.checksums.empty?
+          revision = bottle_block.revision
+          bottle_filename f, revision
+        end
+      end
       unless filenames.include? filename or filename.nil?
         filenames << filename
       end
     end
-    return filenames
+    filenames
   end
 
   def pretty_relative_path