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 03a9924..069b429 100644
--- a/src/main/java/eu/dnetlib/repo/manager/service/RepositoryServiceImpl.java
+++ b/src/main/java/eu/dnetlib/repo/manager/service/RepositoryServiceImpl.java
@@ -117,6 +117,8 @@ public class RepositoryServiceImpl implements RepositoryService {
         LOGGER.debug("Initialization method of repository api!");
         LOGGER.debug("Updated version!");
 
+        httpHeaders = new HttpHeaders();
+        httpHeaders.set("Content-Type", "application/json");
 
         for (String vocName : vocabularyNames) {
             vocabularyMap.put(vocName, vocabularyLoader.getVocabulary(vocName, Locale.ENGLISH, Locale.ROOT));
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index f59eb12..032e2b9 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -61,8 +61,8 @@ oidc.issuer = https://aai.openaire.eu/oidc/
 oidc.id = 767422b9-5461-4807-a80a-f9a2072d3a7d
 oidc.secret = AMQtGlbTXNjwjhF0st28LmM6V0XypMdaVS7tJmGuYFlmH36iIv4t7tVqYuLYrNPkhnZ_GPUJvhymBhFupdgb6aU
 
-oidc.dev.home = http://aleka.athenarc.gr:8480/uoa-repository-manager-service/openid_connect_login
-webapp.dev.front = http://aleka.athenarc.gr:4200/landing
+oidc.dev.home = http://localhost:8480/uoa-repository-manager-service/openid_connect_login
+webapp.dev.front = http://localhost:4200/landing
 
 ##REDIS-AAI