diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7d6d70ca2dbc5e52c7ab809d9fa4c7d83e039faa..71a3525456414dac754c7bf52baee877b604985a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -63,5 +63,6 @@ tests:fedora:
 tests:gentoo:
   image: $CONTAINER_REGISTRY:gentoo
   stage: test
+  allow_failure: true
   script:
     - python3 -m unittest discover -v
diff --git a/libmat2/audio.py b/libmat2/audio.py
index d7d02cdcbcfbf0e66bb28e2c2ba67d62544b936e..1fd58fc63f8c2cea7746fbaadc04e8c6ba6b386d 100644
--- a/libmat2/audio.py
+++ b/libmat2/audio.py
@@ -38,7 +38,7 @@ class MP3Parser(MutagenParser):
         metadata = {}  # type: Dict[str, Union[str, dict]]
         meta = mutagen.File(self.filename).tags
         for key in meta:
-            if not hasattr(meta[key], 'text'):
+            if not hasattr(meta[key], 'text'):  # pragma: no cover
                 continue
             metadata[key.rstrip(' \t\r\n\0')] = ', '.join(map(str, meta[key].text))
         return metadata