diff --git a/src/main/java/nl/dtls/fairdatapoint/api/controller/metadata/GenericController.java b/src/main/java/nl/dtls/fairdatapoint/api/controller/metadata/GenericController.java
index da5a2e743..94f3bfded 100644
--- a/src/main/java/nl/dtls/fairdatapoint/api/controller/metadata/GenericController.java
+++ b/src/main/java/nl/dtls/fairdatapoint/api/controller/metadata/GenericController.java
@@ -460,8 +460,9 @@ private String createLink(String entityUrl, String childPrefix, int page, int si
 
     private void enhanceWithSignposting(HttpServletResponse response, IRI entityUri, Model resultRdf) {
         // author
-        Models.getProperty(resultRdf, entityUri, DCTERMS.PUBLISHER).ifPresent(pub ->
-                addSignpostingHeader(response, pub, "author"));
+        Models.getProperty(resultRdf, entityUri, DCTERMS.PUBLISHER).ifPresent(pub -> {
+            addSignpostingHeader(response, pub, "author");
+        });
 
         // cite-as
         addSignpostingHeader(response, entityUri, "cite-as");
@@ -470,12 +471,14 @@ private void enhanceWithSignposting(HttpServletResponse response, IRI entityUri,
         // TODO
 
         // type
-        Models.getProperties(resultRdf, entityUri, RDF.TYPE).forEach(type ->
-                addSignpostingHeader(response, type, "type"));
+        Models.getProperties(resultRdf, entityUri, RDF.TYPE).forEach(type -> {
+            addSignpostingHeader(response, type, "type");
+        });
 
         // license
-        Models.getPropertyIRI(resultRdf, entityUri, DCTERMS.LICENSE).ifPresent(license ->
-                addSignpostingHeader(response, license, "license")/*response.addHeader(HttpHeaders.LINK, "<" + license + "> ; rel=\"license\"")*/);
+        Models.getPropertyIRI(resultRdf, entityUri, DCTERMS.LICENSE).ifPresent(license -> {
+            addSignpostingHeader(response, license, "license");
+        });
 
         // item
         // TODO