diff --git a/CMakeLists.txt b/CMakeLists.txt
index 829c8db..b672ef2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ set(META_GUI_OPTIONAL true)
 set(META_JS_SRC_DIR renamingutility)
 set(META_VERSION_MAJOR 3)
 set(META_VERSION_MINOR 1)
-set(META_VERSION_PATCH 2)
+set(META_VERSION_PATCH 3)
 
 # add project files
 set(HEADER_FILES
diff --git a/application/knownfieldmodel.cpp b/application/knownfieldmodel.cpp
index 6a298df..55b1129 100644
--- a/application/knownfieldmodel.cpp
+++ b/application/knownfieldmodel.cpp
@@ -125,7 +125,7 @@ KnownFieldModel::KnownFieldModel(QObject *parent, DefaultSelection defaultSelect
     items << mkItem(KnownField::Composer, Qt::Unchecked);
     items << mkItem(KnownField::Rating, Qt::Unchecked);
     items << mkItem(KnownField::Description, Qt::Unchecked);
-    setItems(items);
+    setItems(std::move(items));
 }
 
 KnownFieldModel::KnownFieldModel(const QList<Models::ChecklistItem> &items, QObject *parent)
diff --git a/application/knownfieldmodel.h b/application/knownfieldmodel.h
index ec581a5..d911b92 100644
--- a/application/knownfieldmodel.h
+++ b/application/knownfieldmodel.h
@@ -34,8 +34,8 @@ public:
     explicit KnownFieldModel(QObject *parent = nullptr, DefaultSelection defaultSelection = DefaultSelection::None);
     explicit KnownFieldModel(const QList<Models::ChecklistItem> &items, QObject *parent = nullptr);
 
-    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
-    virtual QString labelForId(const QVariant &id) const;
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+    QString labelForId(const QVariant &id) const override;
 #endif
 };
 
diff --git a/renamingutility/renamingengine.cpp b/renamingutility/renamingengine.cpp
index 17469f7..f172ce2 100644
--- a/renamingutility/renamingengine.cpp
+++ b/renamingutility/renamingengine.cpp
@@ -306,13 +306,13 @@ void RenamingEngine::executeScriptForItem(const QFileInfo &fileInfo, FileSystemI
         break;
     case ActionType::Rename:
         if (!newRelativeDirectory.isEmpty()) {
-            FileSystemItem *counterpartParent = item->root()->makeChildAvailable(newRelativeDirectory);
+            FileSystemItem *const counterpartParent = item->root()->makeChildAvailable(newRelativeDirectory);
             const QString &counterpartName = newName.isEmpty() ? item->name() : newName;
             if (counterpartParent->findChild(counterpartName, item)) {
                 item->setNote(tr("name is already used at new location"));
                 item->setErrorOccured(true);
             } else {
-                auto *counterpart = new FileSystemItem(ItemStatus::New, item->type(), counterpartName, counterpartParent);
+                auto *const counterpart = new FileSystemItem(ItemStatus::New, item->type(), counterpartName, counterpartParent);
                 item->setCounterpart(counterpart);
                 counterpart->setCheckable(true);
                 counterpart->setChecked(true);
@@ -320,7 +320,7 @@ void RenamingEngine::executeScriptForItem(const QFileInfo &fileInfo, FileSystemI
         } else if (!newName.isEmpty()) {
             item->setNewName(newName);
         }
-        if (FileSystemItem *newItem = item->counterpart()) {
+        if (FileSystemItem *const newItem = item->counterpart()) {
             if ((newItem->name().isEmpty() || newItem->name() == item->name()) && (newItem->parent() == item->parent())) {
                 item->setNote(tr("name doesn't change"));
             } else if (newItem->parent() && newItem->parent()->findChild(newItem->name(), newItem)) {