diff --git a/unittests/test_yaml_model_parser.py b/unittests/test_yaml_model_parser.py
index d6dbf718dfa539e97214c2329cccc5a6bbf172b6..574b41da25e40984c0a1eef62f39080c88f1d1e0 100644
--- a/unittests/test_yaml_model_parser.py
+++ b/unittests/test_yaml_model_parser.py
@@ -27,6 +27,8 @@ from caosadvancedtools.models.parser import (TwiceDefinedException,
                                              parse_model_from_string,
                                              parse_model_from_yaml)
 
+from linkahead.apiutils import compare_entities
+
 
 def to_file(string):
     f = NamedTemporaryFile(mode="w", delete=False)
@@ -641,3 +643,71 @@ RT2:
 </RecordType>
 , 'bar': <RecordType name="bar"/>
 }"""
+
+
+def test_comparison_yaml_model():
+    """
+    Test for this issue:
+    https://gitlab.indiscale.com/caosdb/src/caosdb-advanced-user-tools/-/issues/130
+    """
+    model_string = """
+foo:
+  datatype: INTEGER
+  description: bla bla
+  unit: m
+
+RT1:
+  obligatory_properties:
+    foo:
+    RT2:
+    test_reference:
+
+RT2:
+
+test_reference:
+  datatype: RT2
+    """
+    model = parse_model_from_string(model_string)
+
+    # Without the fix, foo will have no datatype, description and no unit **as part of RT1**, so the
+    # comparison with a version taken from a LinkAhead instance will have these attributes.
+    # Furthermore, RT2 will be set as the datatype **in object version** in the yaml definition, while
+    # it is an ID in case of the version from the LinkAhead instance.
+
+    p_foo = db.Property(name="foo", datatype="INTEGER", description="bla bla", unit="m")
+    rt2 = db.RecordType(name="RT2")
+    rt1 = db.RecordType(name="RT1")
+    rt1.add_property(p_foo)
+    rt1.add_property(rt2)
+
+    server_response = """
+<Entities>
+  <noscript>
+    </noscript>
+  <Property id="2272" name="foo" description="bla bla" datatype="INTEGER" unit="m">
+    <Version id="7819eedaeba2aa7305e10c96e8cf7b9ac84aea4a" head="true"/>
+  </Property>
+  <RecordType id="2273" name="RT1">
+    <Version id="0c1b9df6677ee40d1e1429b2123e078ee6c863e0" head="true"/>
+    <Property id="2272" name="foo" description="bla bla" datatype="INTEGER" unit="m" importance="OBLIGATORY" flag="inheritance:FIX"/>
+    <Property id="2274" name="RT2" datatype="RT2" importance="OBLIGATORY" flag="inheritance:FIX"/>
+    <Property id="2275" name="test_reference" datatype="RT2" importance="OBLIGATORY" flag="inheritance:FIX"/>
+  </RecordType>
+  <RecordType id="2274" name="RT2">
+    <Version id="185940642680a7eba7f71914dd8dd7758dd13faa" head="true"/>
+  </RecordType>
+  <Property id="2275" name="test_reference" datatype="RT2">
+    <Version id="03cf86061c78a079b376394dfecdf32566b72fb7" head="true"/>
+  </Property>
+</Entities>"""
+
+    entities = db.Container.from_xml(server_response)
+
+    c1 = compare_entities(model["foo"], entities[0])
+    c2 = compare_entities(model["RT1"], entities[1])
+    c3 = compare_entities(model["RT2"], entities[2])
+    c4 = compare_entities(model["test_reference"], entities[3])
+
+
+
+