diff --git a/include/ComboBoxModel.h b/include/ComboBoxModel.h
index ed2465cfb..e4088679f 100644
--- a/include/ComboBoxModel.h
+++ b/include/ComboBoxModel.h
@@ -49,7 +49,7 @@ public:
 		clear();
 	}
 
-	void addItem( const QString& item, std::unique_ptr<PixmapLoader> loader = nullptr );
+	void addItem( QString item, std::unique_ptr<PixmapLoader> loader = nullptr );
 
 	void clear();
 
diff --git a/src/core/ComboBoxModel.cpp b/src/core/ComboBoxModel.cpp
index 1c7e2d9c5..c91b4483d 100644
--- a/src/core/ComboBoxModel.cpp
+++ b/src/core/ComboBoxModel.cpp
@@ -27,9 +27,9 @@
 
 
 
-void ComboBoxModel::addItem( const QString& item, std::unique_ptr<PixmapLoader> loader )
+void ComboBoxModel::addItem( QString item, std::unique_ptr<PixmapLoader> loader )
 {
-	m_items.push_back( std::make_pair( item, std::move(loader) ) );
+	m_items.emplace_back( std::move(item), std::move(loader) );
 	setRange( 0, m_items.size() - 1 );
 }