diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4995e8e01f2d14ced5b2ddf2afa6555492a83036..e7157ed6a8e8f119442e7b234025610f286de223 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added (for new features)
 
 * Tests for [linkahead-pylib#127](https://gitlab.com/linkahead/linkahead-pylib/-/issues/127)
+* Tests for [linkahead-server#264](https://gitlab.com/linkahead/linkahead-server/-/issues/264): CQL: Queries ignore accents and umlauts
 * Tests for [linkahead-server#280](https://gitlab.com/linkahead/linkahead-server/-/issues/280)
 * Test for [caosdb-pylib#119](https://gitlab.com/linkahead/linkahead-pylib/-/issues/119)
 * Test for [caosdb-pylib#89](https://gitlab.com/linkahead/linkahead-pylib/-/issues/89)
diff --git a/tests/test_issues_server.py b/tests/test_issues_server.py
index d0adc315379e0be1775d262bfa4f54e747c60654..1e2e6f81de7c34ccd54d0d81844f02bc2790c889 100644
--- a/tests/test_issues_server.py
+++ b/tests/test_issues_server.py
@@ -1555,7 +1555,6 @@ def test_263():
     assert exc.errors[0].msg == "Entity does not exist."  # TODO Or whatever the message shall be.
 
 
-@pytest.mark.xfail(reason="https://gitlab.com/linkahead/linkahead-server/-/issues/264")
 def test_264_accents_and_umlauts():
     """Test whether queries respect accents and
     umlauts. https://gitlab.com/linkahead/linkahead-server/-/issues/264.