diff --git a/tests/test_db_api.rb b/tests/test_db_api.rb
index 13303b5..96d4a8e 100644
--- a/tests/test_db_api.rb
+++ b/tests/test_db_api.rb
@@ -485,7 +485,6 @@ class DBAPITest < Test::Unit::TestCase
     assert_equal 5, @@db.eval("2 + 3;")
 
     assert_equal 5, @@db.eval(Code.new("2 + 3;"))
-    assert_equal nil, @@db.eval(Code.new("return i;"))
     assert_equal 2, @@db.eval(Code.new("return i;", {"i" => 2}))
     assert_equal 5, @@db.eval(Code.new("i + 3;", {"i" => 2}))