diff --git a/src/entity/Measurement.ts b/src/entity/Measurement.ts
index 00e1263c6475e3af663d1cb58ac08842471ce417..5f227cde78edca02056c29c79893b66ee5e05616 100644
--- a/src/entity/Measurement.ts
+++ b/src/entity/Measurement.ts
@@ -121,7 +121,7 @@ export default class Measurement {
             "@context": ContextDefinitions.measurement(this.valueType.context, this.metadataType?.context),
             "identifier": { "@id": `${config.baseURL}/measurement/${this.id.toString()}` },
             "dateCreated": this.dateCreated.toISOString(),
-            "License": { "@id": this.license },
+            "license": { "@id": this.license },
             "value": this.value
         };
 
diff --git a/src/util/ContextDefinitions.ts b/src/util/ContextDefinitions.ts
index 781e96c1f3cc17e599a17f2bee4df6fb57915580..9c2931c7666eb4df1878e4438cbedf4cd1bc8626 100644
--- a/src/util/ContextDefinitions.ts
+++ b/src/util/ContextDefinitions.ts
@@ -41,7 +41,7 @@ const measurement = function(valueContext: unknown, metadataContext: unknown | u
     const result: Record<string, unknown> = {
         "id": { "@id": "https://schema.org/url", "@type": "@id"},
         "dateCreated": "https://schema.org/DateTime",
-        "License": "http://www.w3.org/1999/xhtml/vocab#license",
+        "license": "http://www.w3.org/1999/xhtml/vocab#license",
         "value": valueContext
     };