diff --git a/libnymea/integrations/thingdescriptor.h b/libnymea/integrations/thingdescriptor.h
index 756871be..f24b4c78 100644
--- a/libnymea/integrations/thingdescriptor.h
+++ b/libnymea/integrations/thingdescriptor.h
@@ -41,6 +41,7 @@ class LIBNYMEA_EXPORT ThingDescriptor
 {
     Q_GADGET
     Q_PROPERTY(QUuid id READ id)
+    Q_PROPERTY(QUuid thingClassId READ thingClassId)
     Q_PROPERTY(QUuid thingId READ thingId USER true)
     Q_PROPERTY(QString title READ title)
     Q_PROPERTY(QString description READ description)
diff --git a/tests/auto/api.json b/tests/auto/api.json
index b7ded3e8..343b4cea 100644
--- a/tests/auto/api.json
+++ b/tests/auto/api.json
@@ -2803,6 +2803,7 @@
             "r:o:deviceId": "Uuid",
             "r:o:thingId": "Uuid",
             "r:params": "$ref:ParamList",
+            "r:thingClassId": "Uuid",
             "r:title": "String"
         },
         "DeviceDescriptors": [
@@ -3139,6 +3140,7 @@
             "r:id": "Uuid",
             "r:o:thingId": "Uuid",
             "r:params": "$ref:ParamList",
+            "r:thingClassId": "Uuid",
             "r:title": "String"
         },
         "ThingDescriptors": [