diff --git a/cads_catalogue_api_service/models/schema_org.py b/cads_catalogue_api_service/models/schema_org.py
index 53eff50..83766fa 100644
--- a/cads_catalogue_api_service/models/schema_org.py
+++ b/cads_catalogue_api_service/models/schema_org.py
@@ -66,4 +66,4 @@ class Dataset(pydantic.BaseModel):
     spatialCoverage: Place
     datePublished: str | None
     dateModified: str | None
-    thumbnailUrl: str | None = None
+    image: str | None = None
diff --git a/cads_catalogue_api_service/schema_org.py b/cads_catalogue_api_service/schema_org.py
index 059f56b..8f82165 100644
--- a/cads_catalogue_api_service/schema_org.py
+++ b/cads_catalogue_api_service/schema_org.py
@@ -132,7 +132,5 @@ def schema_org_json_ld(
         ),
         datePublished=collection.get("published", None),
         dateModified=collection.get("updated", None),
-        thumbnailUrl=collection.get("assets", {})
-        .get("thumbnail", {})
-        .get("href", None),
+        image=collection.get("assets", {}).get("thumbnail", {}).get("href", None),
     )
diff --git a/schemas/schema_org.json b/schemas/schema_org.json
index c02b2a9..818a9ee 100644
--- a/schemas/schema_org.json
+++ b/schemas/schema_org.json
@@ -85,7 +85,7 @@
           "dateModified": {
             "type": ["string","null"]
           },
-          "thumbnailUrl": {
+          "image": {
             "type": ["string","null"]
           }
         },
@@ -105,8 +105,7 @@
           "distribution",
           "temporalCoverage",
           "spatialCoverage",
-          "dateModified",
-          "thumbnailUrl"
+          "dateModified"
         ]
   }
 }
diff --git a/tests/test_40_schema_org.py b/tests/test_40_schema_org.py
index 998e511..5bfeb1b 100644
--- a/tests/test_40_schema_org.py
+++ b/tests/test_40_schema_org.py
@@ -147,5 +147,5 @@ def test_schema_org_jsonId(monkeypatch) -> None:
         },
         "dateModified": "2023-06-22T00:00:00Z",
         "datePublished": "2020-05-19T00:00:00Z",
-        "thumbnailUrl": "https://s3.cds.org.int/swift/v1/AUTH_3e237111c3a144df8e0e0980577062b4/cds2-dev-catalogue/resources/era5-something/overview_36fc7b601512e3619bc5ba70ae0488b911d9d74e203400f9a321f5745768f6a5.png",
+        "image": "https://s3.cds.org.int/swift/v1/AUTH_3e237111c3a144df8e0e0980577062b4/cds2-dev-catalogue/resources/era5-something/overview_36fc7b601512e3619bc5ba70ae0488b911d9d74e203400f9a321f5745768f6a5.png",
     }