diff --git a/src/core/ComboBoxModel.cpp b/src/core/ComboBoxModel.cpp
index c91b4483d..62c673aad 100644
--- a/src/core/ComboBoxModel.cpp
+++ b/src/core/ComboBoxModel.cpp
@@ -25,11 +25,11 @@
 #include "ComboBoxModel.h"
 #include "embed.h"
 
+using namespace std;
 
-
-void ComboBoxModel::addItem( QString item, std::unique_ptr<PixmapLoader> loader )
+void ComboBoxModel::addItem( QString item, unique_ptr<PixmapLoader> loader )
 {
-	m_items.emplace_back( std::move(item), std::move(loader) );
+	m_items.emplace_back( move(item), move(loader) );
 	setRange( 0, m_items.size() - 1 );
 }