diff --git a/main.cpp b/main.cpp
--- a/main.cpp
+++ b/main.cpp
@@ -59,6 +59,7 @@
     migrate.setUiFiles(QStringList() << QStringLiteral("kmenueditui.rc"));
     migrate.migrate();
 
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
     KLocalizedString::setApplicationDomain("kmenuedit");
 
     KAboutData aboutData(QStringLiteral("kmenuedit"), i18n("KDE Menu Editor"),
diff --git a/treeview.cpp b/treeview.cpp
--- a/treeview.cpp
+++ b/treeview.cpp
@@ -29,7 +29,7 @@
 #include <QHeaderView>
 #include <QPainter>
 #include <QRegExp>
-#include <QPixmap>
+#include <QIcon>
 #include <QDropEvent>
 #include <QMenu>
 #include <QApplication>
@@ -225,13 +225,6 @@
     return false;
 }
 
-static QPixmap appIcon(const QString &iconName)
-{
-    QPixmap normal = KIconLoader::global()->loadIcon(iconName, KIconLoader::Small, 0, KIconLoader::DefaultState, QStringList(), 0L, true);
-    return normal;
-}
-
-
 TreeView::TreeView( KActionCollection *ac, QWidget *parent, const char *name )
     : QTreeWidget(parent), m_ac(ac), m_popupMenu(0), m_clipboard(0),
       m_clipboardFolderInfo(0), m_clipboardEntryInfo(0),
@@ -432,7 +425,7 @@
 
     item->setMenuFolderInfo(folderInfo);
     item->setName(folderInfo->caption);
-    item->setIcon(0, appIcon(folderInfo->icon));
+    item->setIcon(0, QIcon::fromTheme(folderInfo->icon));
     item->setDirectoryPath(folderInfo->fullId);
     item->setHiddenInMenu(folderInfo->hidden);
     item->load();
@@ -465,7 +458,7 @@
     ////qDebug() << parent << after << name;
     item->setMenuEntryInfo(entryInfo);
     item->setName(name);
-    item->setIcon(0, appIcon(entryInfo->icon));
+    item->setIcon(0, QIcon::fromTheme(entryInfo->icon));
     item->setHiddenInMenu(hidden);
     item->load();
 
@@ -687,7 +680,7 @@
     }
 
     item->setName(folderInfo->caption);
-    item->setIcon(0, appIcon(folderInfo->icon));
+    item->setIcon(0, QIcon::fromTheme(folderInfo->icon));
 }
 
 void TreeView::currentDataChanged(MenuEntryInfo *entryInfo)
@@ -710,7 +703,7 @@
     }
 
     item->setName(name);
-    item->setIcon(0, appIcon(entryInfo->icon));
+    item->setIcon(0, QIcon::fromTheme(entryInfo->icon));
 }
 
 QStringList TreeView::fileList(const QString& rPath)