diff --git a/src/main/java/org/gcube/data/access/storagehub/services/UserManager.java b/src/main/java/org/gcube/data/access/storagehub/services/UserManager.java
index e56aacc..9db57ae 100644
--- a/src/main/java/org/gcube/data/access/storagehub/services/UserManager.java
+++ b/src/main/java/org/gcube/data/access/storagehub/services/UserManager.java
@@ -59,7 +59,7 @@ public class UserManager {
 		JackrabbitSession session = null;
 		try {
 			session = (JackrabbitSession) repository.getRepository().login(Constants.JCR_CREDENTIALS);
-			return userHandler.getAllUsers(null);
+			return userHandler.getAllUsers(session);
 		} catch (Throwable e) {
 			log.error("jcr error getting users", e);
 			GXOutboundErrorResponse.throwException(new BackendGenericError(e));