diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3de69f152ed309a350114060888370d3b860c18..4f2ad090dac378fdbc628ffd20b09255e09d2c4c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added (for new features)
 
+* 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)
 * Test for [caosdb-pylib#103](https://gitlab.com/linkahead/linkahead-pylib/-/issues/103)
 * Tests for entity state [caosdb-server!62](https://gitlab.com/caosdb/caosdb-server/-/merge_requests/62)
diff --git a/tests/test_issues_pylib.py b/tests/test_issues_pylib.py
index 94ffa891748a575bd810fb6ac00be4c09f3effd8..32b2bdb2e1e5a8bf514e27517f7edff6767e219b 100644
--- a/tests/test_issues_pylib.py
+++ b/tests/test_issues_pylib.py
@@ -36,6 +36,7 @@ import pytest
 
 from linkahead import administration as admin
 from linkahead.exceptions import (TransactionError, HTTPClientError)
+from linkahead.apiutils import compare_entities, empty_diff, merge_entities
 
 CURATOR_ROLE = "curator"
 
@@ -138,6 +139,34 @@ def test_gitlab_com_108():
     print("deleted")
 
 
+def test_gitlab_com_119():
+    """
+    Test that merge_entities works on properties with id but no name.
+
+    See https://gitlab.com/linkahead/linkahead-pylib/-/issues/119 and
+    https://gitlab.indiscale.com/caosdb/customers/f-fit/management/-/issues/94
+    """
+    prop = db.Property(name="Test", datatype=db.TEXT).insert()
+    rt = db.RecordType(name="TestRT").insert()
+
+    rec1 = db.Record(name="TestRec").add_parent(rt)
+    rec2 = db.Record(name="TestRec").add_parent(rt)
+    rec1.add_property(id=prop.id, value="something")
+
+    # Ensure rec1 has prop, rec2 does not
+    assert not empty_diff(rec1, rec2)
+    assert len(rec2.properties) == 0
+    diff1, diff2 = compare_entities(rec1, rec2)
+    assert prop.id in diff1["properties"]
+    assert None not in diff1["properties"]
+    assert len(diff2["properties"]) == 0
+
+    # Merge and check rec2 now has prop
+    merge_entities(rec2, rec1)
+    assert rec2.get_property(prop) is not None
+    assert empty_diff(rec1.get_property(prop), rec2.get_property(prop))
+
+
 def test_gitlab_com_120():
     """Test that an update doesn't add unwanted subproperties.