diff --git a/src/Gui/DownloadManager.h b/src/Gui/DownloadManager.h
index e9d1f01ef..19cb48436 100644
--- a/src/Gui/DownloadManager.h
+++ b/src/Gui/DownloadManager.h
@@ -28,6 +28,7 @@
 #include <QUrl>
 #include <QNetworkAccessManager>
 #include <QNetworkReply>
+#include <QAbstractListModel>
 
 class AutoSaver;
 class QFileIconProvider;