diff --git a/swh/indexer/metadata_dictionary/codemeta.py b/swh/indexer/metadata_dictionary/codemeta.py
--- a/swh/indexer/metadata_dictionary/codemeta.py
+++ b/swh/indexer/metadata_dictionary/codemeta.py
@@ -83,7 +83,14 @@
                 # It is a term defined by the context; write is as-is and JSON-LD
                 # expansion will convert it to a full URI based on
                 # "@context": CODEMETA_CONTEXT_URL
-                doc[localname].append(self.xml_to_jsonld(child))
+                jsonld_child = self.xml_to_jsonld(child)
+                if localname == "type" and isinstance(jsonld_child, dict):
+                    # With a codemeta context, this is later translated to a JSON-LD
+                    # @type, which must be either an array of strings or a string.
+                    if set(jsonld_child) != {"@value"}:
+                        raise ValueError(f'Unexpected value for "type": {jsonld_child}')
+                    jsonld_child = jsonld_child["@value"]
+                doc[localname].append(jsonld_child)
             else:
                 # Otherwise, we already know the URI
                 doc[f"{namespace}{localname}"].append(self.xml_to_jsonld(child))
diff --git a/swh/indexer/tests/metadata_dictionary/test_codemeta.py b/swh/indexer/tests/metadata_dictionary/test_codemeta.py
--- a/swh/indexer/tests/metadata_dictionary/test_codemeta.py
+++ b/swh/indexer/tests/metadata_dictionary/test_codemeta.py
@@ -351,6 +351,32 @@
     }
 
 
+def test_sword_propertyvalue():
+    content = """<?xml version="1.0"?>
+    <entry xmlns="http://www.w3.org/2005/Atom"
+           xmlns:codemeta="https://doi.org/10.5063/schema/codemeta-2.0"
+           xmlns:schema="http://schema.org/">
+      <name>Name</name>
+      <schema:identifier>
+          <codemeta:type>schema:PropertyValue</codemeta:type>
+          <schema:propertyID>HAL-ID</schema:propertyID>
+          <schema:value>hal-03780423</schema:value>
+      </schema:identifier>
+    </entry>
+    """
+
+    result = MAPPINGS["SwordCodemetaMapping"]().translate(content)
+    assert result == {
+        "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
+        "name": "Name",
+        "identifier": {
+            "schema:propertyID": "HAL-ID",
+            "schema:value": "hal-03780423",
+            "type": "schema:PropertyValue",
+        },
+    }
+
+
 def test_json_sword():
     content = """{"id": "hal-01243573", "@xmlns": "http://www.w3.org/2005/Atom", "author": {"name": "Author 1", "email": "foo@example.org"}, "client": "hal", "codemeta:url": "http://example.org/", "codemeta:name": "The assignment problem", "@xmlns:codemeta": "https://doi.org/10.5063/SCHEMA/CODEMETA-2.0", "codemeta:author": {"codemeta:name": "Author 2"}, "codemeta:license": {"codemeta:name": "GNU General Public License v3.0 or later"}}"""  # noqa
     result = MAPPINGS["JsonSwordCodemetaMapping"]().translate(content)