diff --git a/thumbnail/appimagecreator.cpp b/thumbnail/appimagecreator.cpp
index 1a0e9e40..029a2756 100644
--- a/thumbnail/appimagecreator.cpp
+++ b/thumbnail/appimagecreator.cpp
@@ -1,64 +1,66 @@
 /*
  * Copyright (c) 2018 Kai Uwe Broulik <kde@broulik.de>
  *
  * 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) version 3 or any later version
  * accepted by the membership of KDE e.V. (or its successor approved
  * by the membership of KDE e.V.), which shall act as a proxy
  * defined in Section 14 of version 3 of the license.
  *
  * 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.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "appimagecreator.h"
 
 #include <QImage>
-#include <QTemporaryFile>
+#include <QScopedPointer>
 
 #include <appimage/appimage.h>
 
 extern "C"
 {
     Q_DECL_EXPORT ThumbCreator *new_creator()
     {
         return new AppImageCreator;
     }
 }
 
 AppImageCreator::AppImageCreator() = default;
 AppImageCreator::~AppImageCreator() = default;
 
 bool AppImageCreator::create(const QString &path, int width, int height, QImage &image)
 {
     // We just load the .DirIcon verbatim and let the PreviewJob figure out scaling to required size if needed
     Q_UNUSED(width);
     Q_UNUSED(height);
 
-    QTemporaryFile file;
-    if (!file.open()) {
-        return false;
-    }
+    unsigned long size = 0L;
+    char *buf = nullptr;
+
+    bool ok = appimage_read_file_into_buffer_following_symlinks(qUtf8Printable(path),
+                                                                ".DirIcon",
+                                                                &buf,
+                                                                &size);
 
-    appimage_extract_file_following_symlinks(qUtf8Printable(path),
-                                             ".DirIcon",
-                                             qUtf8Printable(file.fileName()));
+    QScopedPointer<char, QScopedPointerPodDeleter> cleanup(buf);
+    Q_UNUSED(cleanup);
 
-    if (!image.load(file.fileName())) {
+    if (!ok) {
         return false;
     }
 
-    return true;
+    return image.loadFromData(reinterpret_cast<uchar*>(buf), size);
 }
 
 ThumbCreator::Flags AppImageCreator::flags() const
 {
     return None;
 }