diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index be1fdf5320..cc6006b024 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -928,6 +928,7 @@ class Formula
       @buildpath = Pathname.pwd
       env_home = buildpath/".brew_home"
       mkdir_p env_home
+      touch env_home/".zshrc" if ENV["SHELL"].include? "zsh"
 
       old_home, ENV["HOME"] = ENV["HOME"], env_home