diff --git a/.ruby-version b/.ruby-version
index 311baaf3..e46f9183 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-1.9.3-p374
+1.8.7-p371
diff --git a/test/test_site.rb b/test/test_site.rb
index 84fc5c41..a6b5c2f4 100644
--- a/test/test_site.rb
+++ b/test/test_site.rb
@@ -8,7 +8,7 @@ class TestSite < Test::Unit::TestCase
     end
 
     should "look for plugins under the site directory by default" do
-      site = Site.new(Jekyll::DEFAULTS.merge({'source' => source_dir}))
+      site = Site.new(Jekyll::DEFAULTS.merge({'source' => File.expand_path(source_dir)}))
       assert_equal [File.join(source_dir, '_plugins')], site.plugins
     end