diff --git a/spec/unit/face/module/install_spec.rb b/spec/unit/face/module/install_spec.rb
index 8e7e39710..681109793 100644
--- a/spec/unit/face/module/install_spec.rb
+++ b/spec/unit/face/module/install_spec.rb
@@ -1,74 +1,75 @@
 require 'spec_helper'
 require 'puppet/face'
+require 'puppet/module_tool'
 
 describe "puppet module install" do
   subject { Puppet::Face[:module, :current] }
 
   let(:options) do
     {}
   end
 
   describe "option validation" do
     let(:expected_options) do
       {
-        :install_dir => "/dev/null/modules",
+        :install_dir => File.expand_path("/dev/null/modules"),
         :module_repository => "http://forge.puppetlabs.com",
       }
     end
 
     context "without any options" do
       it "should require a name" do
         pattern = /wrong number of arguments/
         expect { subject.install }.to raise_error ArgumentError, pattern
       end
 
       it "should not require any options" do
         Puppet::Module::Tool::Applications::Installer.expects(:run).with("puppetlabs-apache", expected_options).once
         subject.install("puppetlabs-apache")
       end
     end
 
     it "should accept the --force option" do
       options[:force] = true
       expected_options.merge!(options)
       Puppet::Module::Tool::Applications::Installer.expects(:run).with("puppetlabs-apache", expected_options).once
       subject.install("puppetlabs-apache", options)
     end
 
     it "should accept the --install-dir option" do
       options[:install_dir] = "/foo/puppet/modules"
       expected_options.merge!(options)
       Puppet::Module::Tool::Applications::Installer.expects(:run).with("puppetlabs-apache", expected_options).once
       subject.install("puppetlabs-apache", options)
     end
 
     it "should accept the --module-repository option" do
       options[:module_repository] = "http://forge.example.com"
       expected_options.merge!(options)
       Puppet::Module::Tool::Applications::Installer.expects(:run).with("puppetlabs-apache", expected_options).once
       subject.install("puppetlabs-apache", options)
     end
 
     it "should accept the --version option" do
       options[:version] = "0.0.1"
       expected_options.merge!(options)
       Puppet::Module::Tool::Applications::Installer.expects(:run).with("puppetlabs-apache", expected_options).once
       subject.install("puppetlabs-apache", options)
     end
   end
 
   describe "inline documentation" do
     subject { Puppet::Face[:module, :current].get_action :install }
 
     its(:summary)     { should =~ /install.*module/im }
     its(:description) { should =~ /install.*module/im }
     its(:returns)     { should =~ /pathname/i }
     its(:examples)    { should_not be_empty }
 
     %w{ license copyright summary description returns examples }.each do |doc|
       context "of the" do
         its(doc.to_sym) { should_not =~ /(FIXME|REVISIT|TODO)/ }
       end
     end
   end
 end