diff --git a/src/main/java/eu/dnetlib/repo/manager/service/RepositoryServiceImpl.java b/src/main/java/eu/dnetlib/repo/manager/service/RepositoryServiceImpl.java
index 069b429..f5a1613 100644
--- a/src/main/java/eu/dnetlib/repo/manager/service/RepositoryServiceImpl.java
+++ b/src/main/java/eu/dnetlib/repo/manager/service/RepositoryServiceImpl.java
@@ -118,7 +118,8 @@ public class RepositoryServiceImpl implements RepositoryService {
         LOGGER.debug("Updated version!");
 
         httpHeaders = new HttpHeaders();
-        httpHeaders.set("Content-Type", "application/json");
+        httpHeaders.setContentType(MediaType.APPLICATION_JSON_UTF8);
+//        httpHeaders.set("Content-Type", "application/json");
 
         for (String vocName : vocabularyNames) {
             vocabularyMap.put(vocName, vocabularyLoader.getVocabulary(vocName, Locale.ENGLISH, Locale.ROOT));
@@ -411,6 +412,11 @@ public class RepositoryServiceImpl implements RepositoryService {
             String json_repository = Converter.repositoryObjectToJson(repository);
             LOGGER.debug("JSON to add(update) -> " + json_repository);
 
+//
+//            // TODO delete these 3 lines
+//            HttpHeaders temp = new HttpHeaders();
+//            temp.setContentType(MediaType.APPLICATION_JSON_UTF8);
+
             HttpEntity<String> httpEntity = new HttpEntity<String>(json_repository, httpHeaders);
             ResponseEntity responseEntity = restTemplate.exchange(uriComponents.toUri(),HttpMethod.POST, httpEntity, ResponseEntity.class);
 
@@ -442,7 +448,8 @@ public class RepositoryServiceImpl implements RepositoryService {
             LOGGER.debug("JSON to update -> " + json_repository);
 
             HttpEntity<String> httpEntity = new HttpEntity<String>(json_repository, httpHeaders);
-            ResponseEntity responseEntity = restTemplate.exchange(uriComponents.toUri(),HttpMethod.POST, httpEntity, ResponseEntity.class);
+            ResponseEntity responseEntity = restTemplate.exchange(uriComponents.toUri(),HttpMethod.POST, httpEntity
+                    , ResponseEntity.class);
 
             if (responseEntity.getStatusCode().equals(HttpStatus.OK))
                 emailUtils.sendUserUpdateRepositoryEmail(repository, authentication);