diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py
index 714bc38da..16dae6ac4 100644
--- a/scrapy/commands/bench.py
+++ b/scrapy/commands/bench.py
@@ -67,6 +67,6 @@ class _BenchSpider(scrapy.Spider):
         return [scrapy.Request(url, dont_filter=True)]
 
     def parse(self, response: Response) -> Any:
-        assert isinstance(Response, TextResponse)
+        assert isinstance(response, TextResponse)
         for link in self.link_extractor.extract_links(response):
             yield scrapy.Request(link.url, callback=self.parse)
diff --git a/tests/test_commands.py b/tests/test_commands.py
index 50f093043..872b54d04 100644
--- a/tests/test_commands.py
+++ b/tests/test_commands.py
@@ -1034,6 +1034,7 @@ class BenchCommandTest(CommandTest):
         )
         self.assertIn("INFO: Crawled", log)
         self.assertNotIn("Unhandled Error", log)
+        self.assertNotIn("log_count/ERROR", log)
 
 
 class ViewCommandTest(CommandTest):