diff --git a/Carla-refresh-plugin-crash.patch b/Carla-refresh-plugin-crash.patch
new file mode 100644
index 0000000..0192556
--- /dev/null
+++ b/Carla-refresh-plugin-crash.patch
@@ -0,0 +1,11 @@
+--- source/frontend/carla_database.py.orig	2022-03-19 16:55:20.796092166 +0100
++++ source/frontend/carla_database.py	2022-03-19 16:56:17.009719997 +0100
+@@ -1358,7 +1358,7 @@
+ 
+     # -----------------------------------------------------------------------------------------------------------------
+ 
+-    @pyqtSlot(int, str)
++    @pyqtSlot(float, str)
+     def slot_handlePluginLook(self, percent, plugin):
+         self.ui.progressBar.setFormat("%s" % plugin)
+         self.ui.progressBar.setValue(percent)
diff --git a/Carla.spec b/Carla.spec
index 35945ef..358ff00 100644
--- a/Carla.spec
+++ b/Carla.spec
@@ -2,7 +2,7 @@
 
 Name:           Carla
 Version:        2.4.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Audio plugin host
 
 # The entire source code is GPLv2+ except
@@ -51,10 +51,12 @@ Epoch:   1
 License:        GPLv2+ and BSD and Boost and ISC and MIT and zlib
 URL:            https://github.com/falkTX/Carla
 Source0:        https://github.com/falkTX/%{name}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
+#Source1:        carla.appdata.xml
 # https://github.com/falkTX/Carla/issues/1444
 Patch0:         %{name}-libdir.patch
 Patch1:         %{name}-expression-error.patch
 Patch2:         %{name}-single-libs-path.patch
+Patch3:         %{name}-refresh-plugin-crash.patch
 
 #ExcludeArch:    ppc64le
 
@@ -180,8 +182,13 @@ chmod a+x %{buildroot}%{_datadir}/%{pname}/{carla,carla-control,carla-jack-multi
 # fix perm due rpmlint W: unstripped-binary-or-object /usr/lib64/carla/libcarla_interposer-jack-x11.so
 find %{buildroot}%{_libdir} -name '*.so' -exec chmod +x '{}' ';'
 
+# Install appdata file
+#mkdir -p %%{buildroot}%%{_datadir}/metainfo
+#install -p -m 0644 %%SOURCE1 %%{buildroot}%%{_datadir}/metainfo
+
 %check
 desktop-file-validate %{buildroot}%{_datadir}/applications/*.desktop
+# appstream-util validate-relax --nonet %%{buildroot}%%{_datadir}/metainfo/%%{pname}.appdata.xml
 appstream-util validate-relax --nonet %{buildroot}%{_datadir}/metainfo/studio.kx.carla.appdata.xml
 
 %files
@@ -209,6 +216,7 @@ appstream-util validate-relax --nonet %{buildroot}%{_datadir}/metainfo/studio.kx
 %{_datadir}/icons/hicolor/*/apps/%{pname}*.png
 %{_datadir}/icons/hicolor/*/apps/%{pname}*.svg
 %{_datadir}/mime/packages/%{pname}.xml
+#%%{_datadir}/metainfo/%%{pname}.appdata.xml
 %{_datadir}/metainfo/studio.kx.carla.appdata.xml
 
 %files vst
@@ -226,9 +234,11 @@ appstream-util validate-relax --nonet %{buildroot}%{_datadir}/metainfo/studio.kx
 %{_libdir}/pkgconfig/%{pname}-host-plugin.pc
 
 %changelog
+* Sat Mar 19 2022 Martin Gansser <martinkg@fedoraproject.org> - 1:2.4.2-2
+- Add Carla-refresh-plugin-crash.patch
+
 * Sun Feb 20 2022 Martin Gansser <martinkg@fedoraproject.org> - 1:2.4.2-1
 - Update to 2.4.2
-- Add Carla-single-libs-path.patch
 
 * Sat Jan 29 2022 Martin Gansser <martinkg@fedoraproject.org> - 1:2.4.1-3
 - Add Carla-expression-error.patch