diff --git a/Library/Homebrew/test/test_utils.rb b/Library/Homebrew/test/test_utils.rb
index f099bbc9f3..c21b9fb727 100644
--- a/Library/Homebrew/test/test_utils.rb
+++ b/Library/Homebrew/test/test_utils.rb
@@ -10,6 +10,10 @@ class UtilTests < Test::Unit::TestCase
   end
 
   def test_arch_for_command
+    # /usr/bin/svn only exists if the command-line tools are installed
+    # Skip test on Xcode only systems
+    return unless File.exist? '/usr/bin/svn'
+
     archs = archs_for_command '/usr/bin/svn'
     if `sw_vers -productVersion` =~ /10\.(\d+)/ and $1.to_i >= 7
       assert_equal 2, archs.length