diff --git a/core/include/Catalogue/CatalogueController.h b/core/include/Catalogue/CatalogueController.h
index 4a2007f..cf089e7 100644
--- a/core/include/Catalogue/CatalogueController.h
+++ b/core/include/Catalogue/CatalogueController.h
@@ -48,8 +48,9 @@ public:
     void updateEventProduct(std::shared_ptr<DBEventProduct> eventProduct);
     void removeEvent(std::shared_ptr<DBEvent> event);
     //    void trashEvent(std::shared_ptr<DBEvent> event);
-    //    void restore(QUuid eventId);
+    //        void restore(std::shared_ptr<DBEvent> event);
     void saveEvent(std::shared_ptr<DBEvent> event);
+    void discardEvent(std::shared_ptr<DBEvent> event);
     bool eventHasChanges(std::shared_ptr<DBEvent> event) const;
 
     // Catalogue
diff --git a/core/src/Catalogue/CatalogueController.cpp b/core/src/Catalogue/CatalogueController.cpp
index 67f8b90..d0aa138 100644
--- a/core/src/Catalogue/CatalogueController.cpp
+++ b/core/src/Catalogue/CatalogueController.cpp
@@ -191,6 +191,26 @@ void CatalogueController::saveEvent(std::shared_ptr<DBEvent> event)
     impl->m_EventKeysWithChanges.remove(impl->eventUniqueKey(event));
 }
 
+void CatalogueController::discardEvent(std::shared_ptr<DBEvent> event)
+{
+    auto uniqIdPredicate = std::make_shared<ComparaisonPredicate>(
+        QString{"uniqId"}, event->getUniqId(), ComparaisonOperation::EQUALEQUAL);
+
+    auto repositoryPredicate = std::make_shared<ComparaisonPredicate>(
+        QString{"repository"}, impl->toSyncRepository(event->getRepository()),
+        ComparaisonOperation::EQUALEQUAL);
+
+    auto compCompoundPred = std::make_shared<CompoundPredicate>(CompoundOperation::AND);
+    compCompoundPred->AddRequestPredicate(uniqIdPredicate);
+    compCompoundPred->AddRequestPredicate(repositoryPredicate);
+
+
+    auto syncEvent = impl->m_CatalogueDao.getEvent(compCompoundPred);
+    impl->m_CatalogueDao.copyEvent(syncEvent, impl->toWorkRepository(event->getRepository()), true);
+    *event = syncEvent;
+    impl->m_EventKeysWithChanges.remove(impl->eventUniqueKey(event));
+}
+
 bool CatalogueController::eventHasChanges(std::shared_ptr<DBEvent> event) const
 {
     return impl->m_EventKeysWithChanges.contains(impl->eventUniqueKey(event));
@@ -297,8 +317,8 @@ CatalogueController::eventsForMimeData(const QByteArray &mimeData) const
 
 void CatalogueController::initialize()
 {
-    qCDebug(LOG_CatalogueController())
-        << tr("CatalogueController init") << QThread::currentThread();
+    qCDebug(LOG_CatalogueController()) << tr("CatalogueController init")
+                                       << QThread::currentThread();
 
     impl->m_CatalogueDao.initialize();
     auto defaultRepositoryLocation
diff --git a/gui/src/Catalogue/CatalogueEventsWidget.cpp b/gui/src/Catalogue/CatalogueEventsWidget.cpp
index 35a9f50..b6cf9fd 100644
--- a/gui/src/Catalogue/CatalogueEventsWidget.cpp
+++ b/gui/src/Catalogue/CatalogueEventsWidget.cpp
@@ -371,7 +371,11 @@ void CatalogueEventsWidget::setEventChanges(const std::shared_ptr<DBEvent> &even
                         sqpApp->catalogueController().saveEvent(event);
                         setEventChanges(event, false);
                     },
-                    [this, event]() { setEventChanges(event, false); });
+                    [this, event]() {
+                        sqpApp->catalogueController().discardEvent(event);
+                        setEventChanges(event, false);
+                        impl->m_Model->refreshEvent(event);
+                    });
                 ui->treeView->setIndexWidget(validationIndex, widget);
             }
         }
diff --git a/gui/src/Catalogue/CatalogueSideBarWidget.cpp b/gui/src/Catalogue/CatalogueSideBarWidget.cpp
index c5bdcc8..06db478 100644
--- a/gui/src/Catalogue/CatalogueSideBarWidget.cpp
+++ b/gui/src/Catalogue/CatalogueSideBarWidget.cpp
@@ -315,10 +315,8 @@ void CatalogueSideBarWidget::CatalogueSideBarWidgetPrivate::setHasChanges(bool v
     if (value) {
         if (!hasChanges(validationIndex, treeView)) {
             auto widget = CatalogueExplorerHelper::buildValidationWidget(
-                treeView,
-                [this, validationIndex, treeView]() {
-                    setHasChanges(false, validationIndex, treeView);
-                },
+                treeView, [this, validationIndex,
+                           treeView]() { setHasChanges(false, validationIndex, treeView); },
                 [this, validationIndex, treeView]() {
                     setHasChanges(false, validationIndex, treeView);
                 });