diff --git a/Library/ENV/4.3/cc b/Library/ENV/4.3/cc
index 659599544b..b48abde031 100755
--- a/Library/ENV/4.3/cc
+++ b/Library/ENV/4.3/cc
@@ -1,6 +1,8 @@
-#!/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby -W0
+#!/bin/sh
+# Make sure this shim uses the same Ruby interpreter that is used by Homebrew.
+exec "$HOMEBREW_RUBY_PATH" -x "$0" "$@"
+#!/usr/bin/env ruby -W0
 
-$:.unshift Dir["/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/lib/ruby/{1.8,2.0.0}"].first
 require "pathname"
 require "set"
 
diff --git a/Library/ENV/scm/git b/Library/ENV/scm/git
index 0c768403ce..57484a078e 100755
--- a/Library/ENV/scm/git
+++ b/Library/ENV/scm/git
@@ -1,4 +1,8 @@
-#!/usr/bin/ruby -W0
+#!/bin/sh
+# Make sure this shim uses the same Ruby interpreter that is used by Homebrew.
+exec "$HOMEBREW_RUBY_PATH" -x "$0" "$@"
+#!/usr/bin/env ruby -W0
+
 # This script because we support $GIT, $HOMEBREW_SVN, etc. and Xcode-only
 # configurations. Order is careful to be what the user would want.