diff --git a/test/rubygems/test_gem_commands_pristine_command.rb b/test/rubygems/test_gem_commands_pristine_command.rb
index ff5e6f166d..0f878b8513 100644
--- a/test/rubygems/test_gem_commands_pristine_command.rb
+++ b/test/rubygems/test_gem_commands_pristine_command.rb
@@ -392,6 +392,9 @@ class TestGemCommandsPristineCommand < Gem::TestCase
     b = util_spec "b"
     install_gem b
 
+    assert_path_exist File.join(gemhome2, "gems", "b-2")
+    assert_path_not_exist File.join(@gemhome, "gems", "b-2")
+
     @cmd.options[:args] = %w[a b]
 
     use_ui @ui do