diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index a2b9c8fdb9..9e738e3ff4 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -635,7 +635,7 @@ class Formula
         when :bzip2 then with_system_path { safe_system "bunzip2", p.compressed_filename }
       end
       # -f means don't prompt the user if there are errors; just exit with non-zero status
-      safe_system '/usr/bin/patch', '-f', *(p.patch_args)
+      safe_system '/usr/bin/patch', '-g', '0', '-f', *(p.patch_args)
     end
   end