diff --git a/test/rubygems/test_project_sanity.rb b/test/rubygems/test_project_sanity.rb
index e9e3bfd1ba..38c2541df6 100644
--- a/test/rubygems/test_project_sanity.rb
+++ b/test/rubygems/test_project_sanity.rb
@@ -13,7 +13,7 @@ class TestProjectSanity < Gem::TestCase
   end
 
   def test_require_rubygems_package
-    err, status = Open3.capture2e(*ruby_with_rubygems_in_load_path, "--disable-gems", "-e", "'require \"rubygems/package\"'")
+    err, status = Open3.capture2e(*ruby_with_rubygems_in_load_path, "--disable-gems", "-e", "require \"rubygems/package\"")
 
     assert status.success?, err
   end