diff --git a/Library/Homebrew/dev-cmd/pr-upload.rb b/Library/Homebrew/dev-cmd/pr-upload.rb
index 2f3682d21b..aa19824281 100644
--- a/Library/Homebrew/dev-cmd/pr-upload.rb
+++ b/Library/Homebrew/dev-cmd/pr-upload.rb
@@ -94,7 +94,7 @@ module Homebrew
 
     if root_url
       bottles_hash.each_value do |bottle_hash|
-        bottle_hash["bottle"]["root_url"] = args.root_url
+        bottle_hash["bottle"]["root_url"] = root_url
       end
     end