diff --git a/spec/unit/puppet_spec.rb b/spec/unit/puppet_spec.rb
index 33fb2be2e..afe7a9d7c 100755
--- a/spec/unit/puppet_spec.rb
+++ b/spec/unit/puppet_spec.rb
@@ -1,45 +1,45 @@
 #!/usr/bin/env rspec"
 require 'spec_helper'
 require 'puppet'
 require 'puppet_spec/files'
 require 'semver'
 
 describe Puppet do
   include PuppetSpec::Files
 
   context "#version" do
     it "should be a valid version number" do
       Puppet.version.should =~ /^[0-9]+\.[0-9]+\.[0-9]+$/
     end
 
     it "should be valid semver" do
       SemVer.should be_valid Puppet.version
     end
   end
 
   Puppet::Util::Log.eachlevel do |level|
     it "should have a method for sending '#{level}' logs" do
       Puppet.should respond_to(level)
     end
   end
 
   it "should be able to change the path" do
-    newpath = ENV["PATH"] + ":/something/else"
+    newpath = ENV["PATH"] + File::PATH_SEPARATOR + "/something/else"
     Puppet[:path] = newpath
     ENV["PATH"].should == newpath
   end
 
   it "should change $LOAD_PATH when :libdir changes" do
     one = tmpdir('load-path-one')
     two = tmpdir('load-path-two')
     one.should_not == two
 
     Puppet[:libdir] = one
     $LOAD_PATH.should include one
     $LOAD_PATH.should_not include two
 
     Puppet[:libdir] = two
     $LOAD_PATH.should_not include one
     $LOAD_PATH.should include two
   end
 end