diff --git a/package-lock.json b/package-lock.json
index 4c194e336..f5efde2d6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "graphdb-workbench",
-  "version": "1.3.0-RC3",
+  "version": "1.3.0-RC4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 598621337..3db4b72c9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "graphdb-workbench",
-    "version": "1.3.0-RC3",
+    "version": "1.3.0-RC4",
     "description": "The web application for GraphDB APIs",
     "scripts": {
         "build": "webpack --config=webpack.config.prod.js",
diff --git a/src/js/angular/similarity/controllers/similarity-list.controller.js b/src/js/angular/similarity/controllers/similarity-list.controller.js
index 029ce3b58..204129493 100644
--- a/src/js/angular/similarity/controllers/similarity-list.controller.js
+++ b/src/js/angular/similarity/controllers/similarity-list.controller.js
@@ -18,6 +18,10 @@ function SimilarityCtrl($scope, $interval, toastr, $repositories, ModalService,
     };
 
     const iriForQuery = function (iri) {
+        // Do not put brackets on nested triples
+        if (iri.startsWith("<<") && iri.endsWith(">>")) {
+            return iri;
+        }
         return '<' + iri + '>';
     };
 
@@ -195,7 +199,7 @@ function SimilarityCtrl($scope, $interval, toastr, $repositories, ModalService,
 
         $scope.lastSearch.termOrSubject = termOrSubject;
 
-        const headers = {Accept: 'application/sparql-results+json'};
+        const headers = {Accept: 'application/x-sparqlstar-results+json, application/sparql-results+json;q=0.9, */*;q=0.8'};
         let sparqlQuery;
         if (searchType === 'searchAnalogical') {
             sparqlQuery = ($scope.selected.analogicalQuery) ? $scope.selected.analogicalQuery : $scope.searchQueries['analogical'];
diff --git a/test-cypress/package-lock.json b/test-cypress/package-lock.json
index 7897e856d..be92768fb 100644
--- a/test-cypress/package-lock.json
+++ b/test-cypress/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "graphdb-workbench-tests",
-  "version": "1.3.0-RC3",
+  "version": "1.3.0-RC4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/test-cypress/package.json b/test-cypress/package.json
index baaec6aba..1671aed0a 100644
--- a/test-cypress/package.json
+++ b/test-cypress/package.json
@@ -1,6 +1,6 @@
 {
     "name": "graphdb-workbench-tests",
-    "version": "1.3.0-RC3",
+    "version": "1.3.0-RC4",
     "description": "Cypress tests for GraphDB workbench",
     "scripts": {
         "start": "cypress open",