diff --git a/dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/UserInfoDaoImpl.java b/dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/UserInfoDaoImpl.java
index 93fb0321d..960cca165 100644
--- a/dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/UserInfoDaoImpl.java
+++ b/dmp-backend/data/src/main/java/eu/eudat/data/dao/entities/UserInfoDaoImpl.java
@@ -38,8 +38,8 @@ public class UserInfoDaoImpl extends DatabaseAccess<UserInfo> implements UserInf
 	@Override
 	public QueryableList<UserInfo> getAuthenticated(QueryableList<UserInfo> users, UUID principalId) {
 		users.initSubQuery(UUID.class).where((builder, root) ->
-				builder.and(builder.equal(root.join("dmps").get("id"),
-						users.subQuery((builder1, root1) -> builder1.equal(root1.join("dmps").get("id"), principalId),
+				builder.and(root.join("dmps").get("id").in(
+						users.subQuery((builder1, root1) -> builder1.equal(root1.get("id"), principalId),
 								Arrays.asList(new SelectionField(FieldSelectionType.COMPOSITE_FIELD, "dmps:id")))),
 						builder.notEqual(root.get("id"), principalId)));
 
diff --git a/dmp-backend/data/src/main/java/eu/eudat/data/entities/UserInfo.java b/dmp-backend/data/src/main/java/eu/eudat/data/entities/UserInfo.java
index cd45762a9..ec953c492 100644
--- a/dmp-backend/data/src/main/java/eu/eudat/data/entities/UserInfo.java
+++ b/dmp-backend/data/src/main/java/eu/eudat/data/entities/UserInfo.java
@@ -14,7 +14,7 @@ import java.util.*;
 @NamedEntityGraphs({
         @NamedEntityGraph(
                 name = "userInfo",
-                attributeNodes = {@NamedAttributeNode("userRoles"), @NamedAttributeNode("credentials"),@NamedAttributeNode("dmps")}),
+                attributeNodes = {@NamedAttributeNode("userRoles"), @NamedAttributeNode("credentials")}),
 })
 public class UserInfo implements DataEntity<UserInfo, UUID> {
 
diff --git a/dmp-backend/queryable/src/main/java/eu/eudat/queryable/QueryableList.java b/dmp-backend/queryable/src/main/java/eu/eudat/queryable/QueryableList.java
index 4f8f05695..9c2c1191f 100644
--- a/dmp-backend/queryable/src/main/java/eu/eudat/queryable/QueryableList.java
+++ b/dmp-backend/queryable/src/main/java/eu/eudat/queryable/QueryableList.java
@@ -55,7 +55,7 @@ public interface QueryableList<T extends DataEntity> {
 
     Subquery<Long> subQueryCount(SinglePredicate<T> predicate, List<SelectionField> fields);
 
-    <U extends Comparable> QueryableList<T> initSubQuery(Class<U> uClass);
+    <U> QueryableList<T> initSubQuery(Class<U> uClass);
 
     <U extends Comparable> Subquery<U> subQueryMax(SinglePredicate<T> predicate, List<SelectionField> fields, Class<U> uClass);
 
diff --git a/dmp-backend/queryable/src/main/java/eu/eudat/queryable/jpa/hibernatequeryablelist/QueryableHibernateList.java b/dmp-backend/queryable/src/main/java/eu/eudat/queryable/jpa/hibernatequeryablelist/QueryableHibernateList.java
index eed0bba6b..66fc29922 100644
--- a/dmp-backend/queryable/src/main/java/eu/eudat/queryable/jpa/hibernatequeryablelist/QueryableHibernateList.java
+++ b/dmp-backend/queryable/src/main/java/eu/eudat/queryable/jpa/hibernatequeryablelist/QueryableHibernateList.java
@@ -410,7 +410,7 @@ public class QueryableHibernateList<T extends DataEntity> implements QueryableLi
 		return subquery;
 	}
 
-	public <U extends Comparable> QueryableList<T> initSubQuery(Class<U> uClass) {
+	public <U> QueryableList<T> initSubQuery(Class<U> uClass) {
 		this.subquery = this.manager.getCriteriaBuilder().createQuery().subquery(uClass);
 		this.nestedQueryRoot = subquery.from(this.tClass);
 		return this;