diff --git a/test/routing_test.rb b/test/routing_test.rb
index 1bc74b60e..88c7532a0 100644
--- a/test/routing_test.rb
+++ b/test/routing_test.rb
@@ -313,7 +313,7 @@ class RoutingTest < Minitest::Test
   it "handles params without a value" do
     mock_app {
       get '/' do
-        assert_empty params.fetch('foo')
+        assert_nil params.fetch('foo')
         "Given: #{params.keys.sort.join(',')}"
       end
     }