diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 553e991295..f2e87a8258 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -376,10 +376,12 @@ class CurlBottleDownloadStrategy < CurlDownloadStrategy
 end
 
 # This strategy extracts local binary packages.
-class LocalBottleDownloadStrategy < CurlDownloadStrategy
-  def initialize formula
-    super formula.name, formula.active_spec
-    @tarball_path = formula.local_bottle_path
+class LocalBottleDownloadStrategy < AbstractFileDownloadStrategy
+  attr_reader :cached_location
+
+  def initialize(formula)
+    @name = name
+    @cached_location = formula.local_bottle_path
   end
 
   def stage