diff --git a/src/manageshowcollectionproperties.cpp b/src/manageshowcollectionproperties.cpp
index f167c85c..1aabc74e 100644
--- a/src/manageshowcollectionproperties.cpp
+++ b/src/manageshowcollectionproperties.cpp
@@ -1,106 +1,105 @@
 /*
    Copyright (C) 2016-2018 Montel Laurent <montel@kde.org>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "manageshowcollectionproperties.h"
 #include "akonadicollectionview.h"
 #include "korganizer_debug.h"
 #include <AkonadiWidgets/CollectionPropertiesDialog>
 #include <AkonadiWidgets/CollectionMaintenancePage>
 #include <AkonadiCore/CollectionAttributesSynchronizationJob>
 #include <AkonadiCore/CollectionFetchJob>
 #include <AkonadiCore/CollectionFetchScope>
 
 ManageShowCollectionProperties::ManageShowCollectionProperties(
     AkonadiCollectionView *collectionView, QObject *parent)
     : QObject(parent)
     , mCollectionView(collectionView)
 {
     mPages = QStringList() << QStringLiteral("CalendarSupport::CollectionGeneralPage")
                            << QStringLiteral("Akonadi::CachePolicyPage")
                            << QStringLiteral("PimCommon::CollectionAclPage")
                            << QStringLiteral("Akonadi::CollectionMaintenancePage");
 }
 
 ManageShowCollectionProperties::~ManageShowCollectionProperties()
 {
 }
 
 void ManageShowCollectionProperties::showCollectionProperties()
 {
     const Akonadi::Collection col = mCollectionView->currentCalendar();
     const Akonadi::Collection::Id id = col.id();
     QPointer<Akonadi::CollectionPropertiesDialog> dlg = mHashDialogBox.value(id);
     if (dlg) {
         dlg->activateWindow();
         dlg->raise();
         return;
     }
     Akonadi::CollectionAttributesSynchronizationJob *sync
         = new Akonadi::CollectionAttributesSynchronizationJob(col);
     sync->setProperty("collectionId", id);
-    connect(sync, &KJob::result,
+    connect(sync, &Akonadi::CollectionAttributesSynchronizationJob::result,
             this, &ManageShowCollectionProperties::slotCollectionPropertiesContinued);
     sync->start();
 }
 
 void ManageShowCollectionProperties::slotCollectionPropertiesContinued(KJob *job)
 {
     if (job) {
         Akonadi::CollectionAttributesSynchronizationJob *sync
             = qobject_cast<Akonadi::CollectionAttributesSynchronizationJob *>(job);
         Q_ASSERT(sync);
         if (sync->property("collectionId") != mCollectionView->currentCalendar().id()) {
             return;
         }
     }
     Akonadi::CollectionFetchJob *fetch = new Akonadi::CollectionFetchJob(
         mCollectionView->currentCalendar(),
         Akonadi::CollectionFetchJob::Base);
     fetch->fetchScope().setIncludeStatistics(true);
     connect(fetch, &KJob::result,
             this, &ManageShowCollectionProperties::slotCollectionPropertiesFinished);
 }
 
 void ManageShowCollectionProperties::slotCollectionPropertiesFinished(KJob *job)
 {
     if (!job) {
         return;
     }
 
     Akonadi::CollectionFetchJob *fetch = qobject_cast<Akonadi::CollectionFetchJob *>(job);
     Q_ASSERT(fetch);
     if (fetch->collections().isEmpty()) {
         qCWarning(KORGANIZER_LOG) << "no collection";
         return;
     }
 
     const Akonadi::Collection::List collections = fetch->collections();
     if (!collections.isEmpty()) {
         const Akonadi::Collection collection = collections.first();
 
         QPointer<Akonadi::CollectionPropertiesDialog> dlg
             = new Akonadi::CollectionPropertiesDialog(collection, mPages, mCollectionView);
         dlg->setWindowTitle(i18nc("@title:window", "Properties of Calendar Folder %1",
                                   collection.name()));
 
         dlg->show();
         mHashDialogBox.insert(collection.id(), dlg);
-        delete dlg;
     }
 }