diff --git a/Library/Homebrew/formulary.rb b/Library/Homebrew/formulary.rb
index af0b3df0a7..c906b4ea97 100644
--- a/Library/Homebrew/formulary.rb
+++ b/Library/Homebrew/formulary.rb
@@ -168,11 +168,10 @@ module Formulary
 
       if (bottles_stable = json_formula["bottle"]["stable"]).present?
         bottle do
-          if Homebrew::EnvConfig.bottle_domain != HOMEBREW_BOTTLE_DEFAULT_DOMAIN \
-              && bottles_stable["root_url"] == HOMEBREW_BOTTLE_DEFAULT_DOMAIN
-            root_url Homebrew::EnvConfig.bottle_domain
+          if Homebrew::EnvConfig.bottle_domain == HOMEBREW_BOTTLE_DEFAULT_DOMAIN
+            root_url HOMEBREW_BOTTLE_DEFAULT_DOMAIN
           else
-            root_url bottles_stable["root_url"]
+            root_url Homebrew::EnvConfig.bottle_domain
           end
           rebuild bottles_stable["rebuild"]
           bottles_stable["files"].each do |tag, bottle_spec|