diff --git a/Library/Homebrew/cmd/--env.rb b/Library/Homebrew/cmd/--env.rb
index d0dda1d8bb..f4d25ae2f6 100644
--- a/Library/Homebrew/cmd/--env.rb
+++ b/Library/Homebrew/cmd/--env.rb
@@ -8,6 +8,7 @@ module Homebrew extend self
     if superenv?
       ENV.deps = ARGV.formulae.map(&:name) unless ARGV.named.empty?
     end
+
     ENV.setup_build_environment
     ENV.universal_binary if ARGV.build_universal?
     if $stdout.tty?
diff --git a/Library/Homebrew/cmd/audit.rb b/Library/Homebrew/cmd/audit.rb
index 060285d7ef..824d1ed693 100644
--- a/Library/Homebrew/cmd/audit.rb
+++ b/Library/Homebrew/cmd/audit.rb
@@ -8,6 +8,7 @@ module Homebrew extend self
     formula_count = 0
     problem_count = 0
 
+    ENV.activate_extensions!
     ENV.setup_build_environment
 
     ff = if ARGV.named.empty?