diff --git a/test/rdoc/test_rdoc_ri_paths.rb b/test/rdoc/test_rdoc_ri_paths.rb
index 78e1a04f73..c01a4711ee 100644
--- a/test/rdoc/test_rdoc_ri_paths.rb
+++ b/test/rdoc/test_rdoc_ri_paths.rb
@@ -51,7 +51,7 @@ class TestRDocRIPaths < RDoc::TestCase
 
     assert_equal RDoc::RI::Paths.system_dir,          path.shift
     assert_equal RDoc::RI::Paths.site_dir,            path.shift
-    assert_equal RDoc::RI::Paths.home_dir,            path.shift
+    assert_equal RDoc::RI::Paths.home_dir,            path.shift if RDoc::RI::Paths.home_dir
     assert_equal File.join(@nodoc.doc_dir, 'ri'),     path.shift
     assert_equal File.join(@rake_10.doc_dir, 'ri'),   path.shift
     assert_equal File.join(@rdoc_4_0.doc_dir, 'ri'),  path.shift
@@ -128,7 +128,7 @@ class TestRDocRIPaths < RDoc::TestCase
 
     assert_equal RDoc::RI::Paths.system_dir,        path.shift
     assert_equal RDoc::RI::Paths.site_dir,          path.shift
-    assert_equal RDoc::RI::Paths.home_dir,          path.shift
+    assert_equal RDoc::RI::Paths.home_dir,          path.shift if RDoc::RI::Paths.home_dir
     assert_equal File.join(@rake_10.doc_dir, 'ri'), path.shift
   end
 
@@ -138,7 +138,7 @@ class TestRDocRIPaths < RDoc::TestCase
     assert_equal '/nonexistent',                    path.shift
     assert_equal RDoc::RI::Paths.system_dir,        path.shift
     assert_equal RDoc::RI::Paths.site_dir,          path.shift
-    assert_equal RDoc::RI::Paths.home_dir,          path.shift
+    assert_equal RDoc::RI::Paths.home_dir,          path.shift if RDoc::RI::Paths.home_dir
     assert_equal File.join(@rake_10.doc_dir, 'ri'), path.shift
   end