2 files changed, 4 insertions, 0 deletions
diff --git a/Library/Homebrew/cmd/--env.rb b/Library/Homebrew/cmd/--env.rb
index 16d035a03..8cc1b1b40 100644
--- a/Library/Homebrew/cmd/--env.rb
+++ b/Library/Homebrew/cmd/--env.rb
@@ -3,6 +3,8 @@ require 'hardware'
 
 module Homebrew extend self
   def __env
+    ENV.activate_extensions!
+
     if superenv?
       ENV.deps = ARGV.formulae.map(&:name) unless ARGV.named.empty?
     end
diff --git a/Library/Homebrew/cmd/sh.rb b/Library/Homebrew/cmd/sh.rb
index 956cc4ecd..5e8f26580 100644
--- a/Library/Homebrew/cmd/sh.rb
+++ b/Library/Homebrew/cmd/sh.rb
@@ -3,6 +3,8 @@ require 'formula'
 
 module Homebrew extend self
   def sh
+    ENV.activate_extensions!
+
     if superenv?
       ENV.x11 = true
       ENV.deps = Formula.installed.select{|f| f.keg_only? and f.opt_prefix.directory? }.map(&:name)