diff --git a/spec/unit/module_tool/tar/gnu_spec.rb b/spec/unit/module_tool/tar/gnu_spec.rb
index 84815d115..e37f7b4ac 100644
--- a/spec/unit/module_tool/tar/gnu_spec.rb
+++ b/spec/unit/module_tool/tar/gnu_spec.rb
@@ -1,25 +1,25 @@
 require 'spec_helper'
 require 'puppet/module_tool'
 
 describe Puppet::ModuleTool::Tar::Gnu do
   let(:sourcefile) { '/space path/the/module.tar.gz' }
   let(:destdir)    { '/space path/the/dest/dir' }
   let(:sourcedir)  { '/space path/the/src/dir' }
   let(:destfile)   { '/space path/the/dest/file.tar.gz' }
 
   it "unpacks a tar file" do
-    Dir.expects(:chdir).with(destdir).yields(mock)
-    Puppet::Util::Execution.expects(:execute).with(["gzip", "-dc", sourcefile])
+    Dir.expects(:chdir).with(File.expand_path(destdir)).yields(mock)
+    Puppet::Util::Execution.expects(:execute).with(["gzip", "-dc", File.expand_path(sourcefile)])
     Puppet::Util::Execution.expects(:execpipe).with(["tar", "xof", "-"], true, 'w+')
-    Puppet::Util::Execution.expects(:execute).with(["find", destdir, "-type", "d", "-exec", "chmod", "755", "{}", "+"])
-    Puppet::Util::Execution.expects(:execute).with(["find", destdir, "-type", "f", "-exec", "chmod", "a-wst", "{}", "+"])
-    Puppet::Util::Execution.expects(:execute).with(["chown", "-R", "<owner:group>", destdir])
+    Puppet::Util::Execution.expects(:execute).with(["find", File.expand_path(destdir), "-type", "d", "-exec", "chmod", "755", "{}", "+"])
+    Puppet::Util::Execution.expects(:execute).with(["find", File.expand_path(destdir), "-type", "f", "-exec", "chmod", "a-wst", "{}", "+"])
+    Puppet::Util::Execution.expects(:execute).with(["chown", "-R", "<owner:group>", File.expand_path(destdir)])
     subject.unpack(sourcefile, destdir, '<owner:group>')
   end
 
   it "packs a tar file" do
-    Puppet::Util::Execution.expects(:execute).with(["tar", "cf", "-", sourcedir])
+    Puppet::Util::Execution.expects(:execute).with(["tar", "cf", "-", File.expand_path(sourcedir)])
     Puppet::Util::Execution.expects(:execpipe).with(["gzip", "-c"], true, 'w+')
     subject.pack(sourcedir, destfile)
   end
 end