diff --git a/Library/Homebrew/brewkit.rb b/Library/Homebrew/brewkit.rb
index 8a0aa83875..99e198ff1e 100644
--- a/Library/Homebrew/brewkit.rb
+++ b/Library/Homebrew/brewkit.rb
@@ -88,6 +88,11 @@ class Pathname
   def mv dst
     FileUtils.mv to_s, dst
   end
+
+  def mv_from src
+    FileUtils.mv src, to_s
+  end
+
   def cp dst
     if file?
       FileUtils.cp to_s, dst