diff --git a/scripts/generate-types.js b/scripts/generate-types.js
index 5e59109..aadccc5 100644
--- a/scripts/generate-types.js
+++ b/scripts/generate-types.js
@@ -31,6 +31,7 @@ const PRIMITIVE_TYPE_MAPPINGS = {
     'schema:PaymentMethod': 'string',
     'schema:paymentStatusType': 'string',
     'schema:ItemListOrderType': 'string',
+    'schema:OfferItemCondition': 'string',
     'schema:BusinessFunction': 'string',
     'schema:DeliveryMethod': 'string',
     'oo:definitions/string': 'string',
diff --git a/src/Product.src.json b/src/Product.src.json
index 9ad6e93..e110746 100644
--- a/src/Product.src.json
+++ b/src/Product.src.json
@@ -24,6 +24,10 @@
             "s4i": "http://schema4i.org/",
             "schema": "http://schema.org/",
             "Product": "schema:Product",
+            "ItemCondition": {
+                "@id": "schema:itemCondition",
+                "@type": "schema:OfferItemCondition"
+            },
             "Manufacturer": {
                 "@id": "schema:manufacturer",
                 "@type": "s4i:Organization"
@@ -55,6 +59,7 @@
             "@type": "Product",
             "Manufacturer": {},
             "Model": "Model S",
+            "ItemCondition": "NewCondition",
             "Owner": {
                 "@type": "Person",
                 "Name": "Mustermann",