diff -Nru matrix-mirage-0.6.4~dfsg+~hsluv1.0.0/debian/changelog matrix-mirage-0.6.4~dfsg+~hsluv1.0.0/debian/changelog
--- matrix-mirage-0.6.4~dfsg+~hsluv1.0.0/debian/changelog	2020-12-29 18:06:30.000000000 +0000
+++ matrix-mirage-0.6.4~dfsg+~hsluv1.0.0/debian/changelog	2020-12-29 20:17:04.000000000 +0000
@@ -1,3 +1,10 @@
+matrix-mirage (0.6.4~dfsg+~hsluv1.0.0-4) unstable; urgency=medium
+
+  * update patch 2003 to cover QML disk cache patch;
+    closes: bug#978655, thanks to Reiner Herrmann
+
+ -- Jonas Smedegaard <dr@jones.dk>  Tue, 29 Dec 2020 21:17:04 +0100
+
 matrix-mirage (0.6.4~dfsg+~hsluv1.0.0-3) unstable; urgency=medium
 
   * fix config path in README.Debian;
diff -Nru matrix-mirage-0.6.4~dfsg+~hsluv1.0.0/debian/patches/2003_rename_app.patch matrix-mirage-0.6.4~dfsg+~hsluv1.0.0/debian/patches/2003_rename_app.patch
--- matrix-mirage-0.6.4~dfsg+~hsluv1.0.0/debian/patches/2003_rename_app.patch	2020-09-24 10:57:29.000000000 +0000
+++ matrix-mirage-0.6.4~dfsg+~hsluv1.0.0/debian/patches/2003_rename_app.patch	2020-12-29 20:12:40.000000000 +0000
@@ -40,3 +40,14 @@
 +__app_name__     = "matrix-mirage"
  __display_name__ = "Mirage"
  __version__      = "0.6.4"
+--- a/src/main.cpp
++++ b/src/main.cpp
+@@ -129,7 +129,7 @@
+     qInstallMessageHandler(loggingHandler);
+ 
+     // Define some basic info about the app before creating the QApplication
+-    QApplication::setOrganizationName("mirage");
++    QApplication::setOrganizationName("matrix-mirage");
+     QApplication::setApplicationName("mirage");
+     QApplication::setApplicationDisplayName("Mirage");
+     QApplication::setApplicationVersion("0.6.4");