diff --git a/Library/Homebrew/cmd/bottle.rb b/Library/Homebrew/cmd/bottle.rb
index 961e44d17b..1df7b2b6ec 100644
--- a/Library/Homebrew/cmd/bottle.rb
+++ b/Library/Homebrew/cmd/bottle.rb
@@ -217,7 +217,6 @@ module Homebrew
 
     bottle = BottleSpecification.new
     bottle.root_url(root_url) if root_url
-    bottle.prefix prefix
     if relocatable
       if skip_relocation
         bottle.cellar :any_skip_relocation
@@ -226,6 +225,7 @@ module Homebrew
       end
     else
       bottle.cellar cellar
+      bottle.prefix prefix
     end
     bottle.revision bottle_revision
     bottle.sha256 bottle_path.sha256 => bottle_tag