diff --git a/test/test_youtube_signature.py b/test/test_youtube_signature.py
index d89eff1d23..7ecd802bc1 100644
--- a/test/test_youtube_signature.py
+++ b/test/test_youtube_signature.py
@@ -357,7 +357,7 @@ def t_factory(name, sig_func, url_pattern):
         test_id = re.sub(r'[/.-]', '_', m.group('id') or m.group('compat_id'))
 
         def test_func(self):
-            basename = f'player-{name}-{test_id}.js'
+            basename = f'player-{test_id}.js'
             fn = os.path.join(self.TESTDATA_DIR, basename)
 
             if not os.path.exists(fn):