diff --git a/src/app/api/collections/descendants.py b/src/app/api/collections/descendants.py
index 5d3724d..ee9420a 100644
--- a/src/app/api/collections/descendants.py
+++ b/src/app/api/collections/descendants.py
@@ -14,20 +14,12 @@
 from app.core.models import LearningMaterialAttribute
 from app.elastic.dsl import qbool, qmatch
 from app.elastic.elastic import ResourceType, query_materials, type_filter
-from app.elastic.fields import ElasticField, ElasticFieldType
+from app.elastic.fields import ElasticField
 from app.elastic.search import Search
 from app.elastic.utils import handle_text_field
+from app.models import CollectionAttribute as _CollectionAttribute
 from app.models import ElasticResourceAttribute
 
-
-class _CollectionAttribute(ElasticField):
-    TITLE = ("properties.cm:title", ElasticFieldType.TEXT)
-    DESCRIPTION = ("properties.cm:description", ElasticFieldType.TEXT)
-    PATH = ("path", ElasticFieldType.KEYWORD)
-    PARENT_ID = ("parentRef.id", ElasticFieldType.KEYWORD)
-    NODE_ID = ("nodeRef.id", ElasticFieldType.KEYWORD)
-
-
 _COLLECTION = TypeVar("_COLLECTION")
 # TODO Remove duplicate
 CollectionAttribute = ElasticField(
diff --git a/src/app/api/collections/missing_attributes.py b/src/app/api/collections/missing_attributes.py
index 036ef57..d23003a 100644
--- a/src/app/api/collections/missing_attributes.py
+++ b/src/app/api/collections/missing_attributes.py
@@ -9,6 +9,7 @@
 from app.api.collections.models import MissingMaterials
 from app.api.collections.utils import all_source_fields, map_elastic_response_to_model
 from app.core.config import ELASTIC_TOTAL_SIZE
+from app.core.models import LearningMaterialAttribute
 from app.elastic.dsl import qbool, qmatch
 from app.elastic.elastic import ResourceType, type_filter
 from app.elastic.search import Search
@@ -19,6 +20,7 @@
     ElasticResourceAttribute.NAME,
     ElasticResourceAttribute.KEYWORDS,
     CollectionAttribute.DESCRIPTION,
+    LearningMaterialAttribute.LICENSES,
 ]
 
 
diff --git a/src/app/api/collections/missing_materials.py b/src/app/api/collections/missing_materials.py
index fb243a1..42d9249 100644
--- a/src/app/api/collections/missing_materials.py
+++ b/src/app/api/collections/missing_materials.py
@@ -205,21 +205,31 @@ def materials_filter_params(
 def missing_attributes_search(
     node_id: uuid.UUID, missing_attribute: str, max_hits: int
 ) -> Search:
+    missing_attribute_filter = {"filter": type_filter[ResourceType.MATERIAL]}
+
     if missing_attribute == LearningMaterialAttribute.LICENSES.path:
-        missing_attribute_query = {"filter": query_missing_material_license()}
+        license_query = query_missing_material_license().to_dict()["bool"]
+        missing_attribute_filter.update(**license_query)
+
+        query = {
+            "minimum_should_match": 1,
+            "should": [
+                qmatch(**{"path": node_id}),
+                qmatch(**{"nodeRef.id": node_id}),
+                query_missing_material_license(),
+            ],
+            **license_query,
+        }
     else:
-        missing_attribute_query = {
-            "must_not": Q("wildcard", **{missing_attribute: {"value": "*"}})
+        query = {
+            "minimum_should_match": 1,
+            "should": [
+                qmatch(**{"collections.path": node_id}),
+                qmatch(**{"collections.nodeRef.id": node_id}),
+            ],
+            "must_not": Q("wildcard", **{missing_attribute: {"value": "*"}}),
+            **missing_attribute_filter,
         }
-    query = {
-        "filter": [*type_filter[ResourceType.MATERIAL]],
-        "minimum_should_match": 1,
-        "should": [
-            qmatch(**{"path": node_id}),
-            qmatch(**{"nodeRef.id": node_id}),
-        ],
-        **missing_attribute_query,
-    }
 
     return (
         Search()
diff --git a/tests/unit_tests/crud/test_missing_materials.py b/tests/unit_tests/crud/test_missing_materials.py
index 0f35b77..9718986 100644
--- a/tests/unit_tests/crud/test_missing_materials.py
+++ b/tests/unit_tests/crud/test_missing_materials.py
@@ -1,29 +1,19 @@
-"""
-
 import uuid
 
-import pytest
+from app.api.collections.missing_attributes import missing_attribute_filter
+from app.api.collections.missing_materials import missing_attributes_search
 
-from app.api.collections.missing_materials import (
-    LearningMaterialAttribute,
-    MissingAttributeFilter,
-    MissingMaterialField,
-)
 
-# TODO: More tests cases to also enable filtering, see __call__ MissingAttributeFilter
-@pytest.mark.skip(reason="Outdated")
 def test_missing_materials_search():
     dummy_uuid = uuid.uuid4()
-    attribute = LearningMaterialAttribute.KEYWORDS
-    dummy_missing_attribute = MissingAttributeFilter(
-        attr=MissingMaterialField[attribute.name]
-    )
+    dummy_attribute = "properties.cm:title"
+    dummy_missing_attribute = missing_attribute_filter[0].value
     dummy_maximum_size = 3
-    search = missing_materials_search(
+    search = missing_attributes_search(
         dummy_uuid, dummy_missing_attribute, dummy_maximum_size
     )
     actual = search.to_dict()
-    actual_source = actual["_source"]
+    actual_source = actual["_source"]["includes"]
     actual["_source"] = []
     assert actual == {
         "query": {
@@ -39,9 +29,7 @@ def test_missing_materials_search():
                     {"match": {"collections.nodeRef.id": dummy_uuid}},
                 ],
                 "minimum_should_match": 1,
-                "must_not": [
-                    {"wildcard": {dummy_missing_attribute.attr.value: {"value": "*"}}}
-                ],
+                "must_not": [{"wildcard": {dummy_attribute: {"value": "*"}}}],
             }
         },
         "from": 0,
@@ -66,4 +54,35 @@ def test_missing_materials_search():
     source_contains_equal_elements = actual_source == expected_source
     assert source_contains_equal_elements
 
-"""
+
+def test_missing_materials_search_license():
+    dummy_uuid = uuid.uuid4()
+    dummy_attribute = "properties.commonlicense_key"
+    dummy_missing_attribute = missing_attribute_filter[4].value
+    dummy_maximum_size = 3
+    search = missing_attributes_search(
+        dummy_uuid, dummy_missing_attribute, dummy_maximum_size
+    )
+    actual = search.to_dict()
+    actual["_source"] = []
+    assert actual == {
+        "query": {
+            "bool": {
+                "filter": [
+                    {"term": {"permissions.Read.keyword": "GROUP_EVERYONE"}},
+                    {"term": {"properties.cm:edu_metadataset.keyword": "mds_oeh"}},
+                    {"term": {"nodeRef.storeRef.protocol": "workspace"}},
+                    {"term": {"type": "ccm:io"}},
+                ],
+                "should": [
+                    {"match": {"collections.path": dummy_uuid}},
+                    {"match": {"collections.nodeRef.id": dummy_uuid}},
+                ],
+                "minimum_should_match": 1,
+                "must_not": [{"wildcard": {dummy_attribute: {"value": "*"}}}],
+            }
+        },
+        "from": 0,
+        "size": dummy_maximum_size,
+        "_source": [],
+    }