diff --git a/component/core/src/main/java/org/exoplatform/social/core/storage/impl/IdentityStorageImpl.java b/component/core/src/main/java/org/exoplatform/social/core/storage/impl/IdentityStorageImpl.java
index 24728736dd..af29ae680a 100644
--- a/component/core/src/main/java/org/exoplatform/social/core/storage/impl/IdentityStorageImpl.java
+++ b/component/core/src/main/java/org/exoplatform/social/core/storage/impl/IdentityStorageImpl.java
@@ -210,28 +210,23 @@ private QueryResult<ProfileEntity> getSpaceMemberIdentitiesByProfileFilterQueryB
     List<Identity> relations = new ArrayList<Identity>();
 
     try {
-      SpaceEntity spaceEntity = _findById(SpaceEntity.class, space.getId());
-
+      Space gotSpace = getSpaceStorage().getSpaceById(space.getId());
 
       String[] members = null;
       switch (type) {
         case MEMBER:
-          if(spaceEntity != null && spaceEntity.getMembersId() != null){
-            members = spaceEntity.getMembersId();
-          }
+          members = gotSpace.getMembers();
           break;
         case MANAGER:
-          if(spaceEntity != null && spaceEntity.getManagerMembersId() != null){
-            members = spaceEntity.getManagerMembersId();
-          }
+          members = gotSpace.getManagers();
           break;
       }
 
       for (int i = 0; i <  members.length; i++){
-        relations.add(_findIdentity(OrganizationIdentityProvider.NAME, members[i]));
+        relations.add(findIdentity(OrganizationIdentityProvider.NAME, members[i]));
       }
 
-    } catch (NodeNotFoundException e){
+    } catch (IdentityStorageException e){
       throw new IdentityStorageException(IdentityStorageException.Type.FAIL_TO_FIND_IDENTITY);
     }
     whereExpression.endGroup();