diff --git a/coreContext/ngsi-ld-core-context.json b/coreContext/ngsi-ld-core-context.json
index 56ad2fc8d04b9bd23e9a337731e996a3c74671cc..cb3c121a1c8872f479bafc8993bb743f2e6dfdde 100644
--- a/coreContext/ngsi-ld-core-context.json
+++ b/coreContext/ngsi-ld-core-context.json
@@ -1,5 +1,6 @@
 {
     "@context": {
+      "ngsi-ld": "http://uri.etsi.org/ngsi-ld/",    
       "id": "@id",
       "type": "@type",
       "value": "http://uri.etsi.org/ngsi-ld/hasValue",