diff --git a/test/test_youtube_signature.py b/test/test_youtube_signature.py
index a673d11259..d05e7f4e6a 100644
--- a/test/test_youtube_signature.py
+++ b/test/test_youtube_signature.py
@@ -262,6 +262,10 @@ _NSIG_TESTS = [
         'https://www.youtube.com/s/player/4fcd6e4a/player_ias.vflset/en_US/base.js',
         'o_L251jm8yhZkWtBW', 'lXoxI3XvToqn6A',
     ),
+    (
+        'https://www.youtube.com/s/player/4fcd6e4a/player_ias_tce.vflset/en_US/base.js',
+        'o_L251jm8yhZkWtBW', 'lXoxI3XvToqn6A',
+    ),
     (
         'https://www.youtube.com/s/player/20830619/tv-player-ias.vflset/tv-player-ias.js',
         'ir9-V6cdbCiyKxhr', '9YE85kNjZiS4',