diff --git a/sci-publications/src/main/java/org/scientificcms/publications/JournalRepository.java b/sci-publications/src/main/java/org/scientificcms/publications/JournalRepository.java
index 92ccb82..c87f82b 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/JournalRepository.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/JournalRepository.java
@@ -46,7 +46,9 @@ public class JournalRepository extends AbstractEntityRepository<Long, Journal> {
 
     @Override
     protected void initNewEntity(final Journal entity) {
-        entity.setUuid(UUID.randomUUID().toString());
+        if (entity.getUuid() == null) {
+            entity.setUuid(UUID.randomUUID().toString());
+        }
     }
 
     @Transactional(Transactional.TxType.REQUIRED)
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/PublicationRepository.java b/sci-publications/src/main/java/org/scientificcms/publications/PublicationRepository.java
index 36a4270..1c424d7 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/PublicationRepository.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/PublicationRepository.java
@@ -53,8 +53,9 @@ public class PublicationRepository
 
     @Override
     public void initNewEntity(final Publication entity) {
-        final String uuid = UUID.randomUUID().toString();
-        entity.setUuid(uuid);
+        if (entity.getUuid() == null) {
+            entity.setUuid(UUID.randomUUID().toString());
+        }
     }
 
     @Transactional(Transactional.TxType.REQUIRED)
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisherRepository.java b/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisherRepository.java
index 74e4887..68678ba 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisherRepository.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisherRepository.java
@@ -52,7 +52,9 @@ public class PublicationWithPublisherRepository
 
     @Override
     public void initNewEntity(final PublicationWithPublisher entity) {
-        publicationRepository.initNewEntity(entity);
+        if (entity.getUuid() == null) {
+            publicationRepository.initNewEntity(entity);
+        }
     }
 
     @Transactional(Transactional.TxType.REQUIRED)
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/PublisherRepository.java b/sci-publications/src/main/java/org/scientificcms/publications/PublisherRepository.java
index 0138818..4720abc 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/PublisherRepository.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/PublisherRepository.java
@@ -47,7 +47,9 @@ public class PublisherRepository
 
     @Override
     protected void initNewEntity(final Publisher entity) {
-        entity.setUuid(UUID.randomUUID().toString());
+        if (entity.getUuid() == null) {
+            entity.setUuid(UUID.randomUUID().toString());
+        }
     }
 
     @Transactional(Transactional.TxType.REQUIRED)
@@ -63,7 +65,7 @@ public class PublisherRepository
             return Optional.empty();
         }
     }
-    
+
     @Transactional(Transactional.TxType.REQUIRED)
     public List<Publisher> findByName(final String name) {
         return getEntityManager()
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/SeriesRepository.java b/sci-publications/src/main/java/org/scientificcms/publications/SeriesRepository.java
index 1e48b60..7424ad5 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/SeriesRepository.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/SeriesRepository.java
@@ -45,7 +45,9 @@ public class SeriesRepository
 
     @Override
     public void initNewEntity(final Series entity) {
-        entity.setUuid(UUID.randomUUID().toString());
+        if (entity.getUuid() == null) {
+            entity.setUuid(UUID.randomUUID().toString());
+        }
     }
 
     @Transactional(Transactional.TxType.REQUIRED)
diff --git a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/ContactRepository.java b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/ContactRepository.java
index 0c9e3fa..d06eaba 100644
--- a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/ContactRepository.java
+++ b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/ContactRepository.java
@@ -46,7 +46,9 @@ public class ContactRepository
 
     @Override
     public void initNewEntity(final Contact contact) {
-        contact.setUuid(UUID.randomUUID().toString());
+        if (contact.getUuid() == null) {
+            contact.setUuid(UUID.randomUUID().toString());
+        }
     }
 
     @Transactional(Transactional.TxType.REQUIRED)
diff --git a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/DepartmentProjectRepository.java b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/DepartmentProjectRepository.java
index 1de481a..ee1fa84 100644
--- a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/DepartmentProjectRepository.java
+++ b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/DepartmentProjectRepository.java
@@ -46,7 +46,9 @@ public class DepartmentProjectRepository
 
     @Override
     public void initNewEntity(final DepartmentProject project) {
-        project.setUuid(UUID.randomUUID().toString());
+        if (project.getUuid() == null) {
+            project.setUuid(UUID.randomUUID().toString());
+        }
     }
 
     @Transactional(Transactional.TxType.REQUIRED)
diff --git a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/MembershipRepository.java b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/MembershipRepository.java
index 6db229f..4010c7c 100644
--- a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/MembershipRepository.java
+++ b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/MembershipRepository.java
@@ -46,7 +46,9 @@ public class MembershipRepository
 
     @Override
     public void initNewEntity(final Membership membership) {
-        membership.setUuid(UUID.randomUUID().toString());
+        if (membership.getUuid() == null) {
+            membership.setUuid(UUID.randomUUID().toString());
+        }
     }
 
     @Transactional(Transactional.TxType.REQUIRED)
diff --git a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ContactRepository.java b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ContactRepository.java
index aaa4857..942d93f 100644
--- a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ContactRepository.java
+++ b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ContactRepository.java
@@ -43,24 +43,27 @@ public class ContactRepository
     public boolean isNew(final Contact contact) {
         return contact.getContactId() == 0 || contact.getUuid() == null;
     }
-    
+
     @Override
     public void initNewEntity(final Contact contact) {
-        contact.setUuid(UUID.randomUUID().toString());
+        if (contact.getUuid() == null) {
+            contact.setUuid(UUID.randomUUID().toString());
+        }
     }
-    
+
     @Transactional(Transactional.TxType.REQUIRED)
     public Optional<Contact> findByUuid(final String uuid) {
-       try {
-        return Optional.of(
-            getEntityManager()
-            .createNamedQuery("SciProjectContact.findByUuid", Contact.class)
-            .setParameter("uuid", uuid)
-            .getSingleResult()
-        );
-       } catch(NoResultException ex) {
-           return Optional.empty();
-       }
+        try {
+            return Optional.of(
+                getEntityManager()
+                    .createNamedQuery("SciProjectContact.findByUuid",
+                                      Contact.class)
+                    .setParameter("uuid", uuid)
+                    .getSingleResult()
+            );
+        } catch (NoResultException ex) {
+            return Optional.empty();
+        }
     }
 
 }