diff --git a/discover-6.0.3-pk-refresh-timer-12h.patch b/discover-6.0.3-pk-refresh-timer-12h.patch
new file mode 100644
index 0000000..f9825b0
--- /dev/null
+++ b/discover-6.0.3-pk-refresh-timer-12h.patch
@@ -0,0 +1,13 @@
+diff --git a/libdiscover/backends/PackageKitBackend/PackageKitNotifier.cpp b/libdiscover/backends/PackageKitBackend/PackageKitNotifier.cpp
+index ca3afb51e..e887cdb95 100644
+--- a/libdiscover/backends/PackageKitBackend/PackageKitNotifier.cpp
++++ b/libdiscover/backends/PackageKitBackend/PackageKitNotifier.cpp
+@@ -61,7 +61,7 @@ PackageKitNotifier::PackageKitNotifier(QObject *parent)
+             bool ok;
+             const int days = value.toInt(&ok);
+             if (!ok || days == 0) {
+-                regularCheck->setInterval(24h); // refresh at least once every day
++                regularCheck->setInterval(12h); // refresh at least once every day
+                 regularCheck->start();
+                 if (!value.isEmpty())
+                     qWarning() << "couldn't understand value for timer:" << value;
diff --git a/discover.spec b/discover.spec
index d947e3b..eae4d1a 100644
--- a/discover.spec
+++ b/discover.spec
@@ -2,7 +2,7 @@
 
 Name:          discover
 Version:       6.0.3
-Release:       2mamba
+Release:       3mamba
 Summary:       KDE Plasma application installer
 Group:         Graphical Desktop/Applications/Administration
 Vendor:        openmamba
@@ -11,6 +11,7 @@ Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://kde.org/it/plasma-desktop/
 Source:        https://download.kde.org/%{stable_kf6}/plasma/%{plasmaver}/discover-%{version}.tar.xz
 Patch0:        discover-5.93.0-KNSCore-build-fix.patch
+Patch1:        discover-6.0.3-pk-refresh-timer-12h.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -85,6 +86,7 @@ Notifier for the KDE Frameworks application installer.
 
 %prep
 %setup -q
+%patch 1 -p1 -b .pk-refresh-timer-12h
 
 %build
 %cmake_kf6
@@ -147,6 +149,9 @@ Notifier for the KDE Frameworks application installer.
 %{_datadir}/knotifications6/discoverabstractnotifier.notifyrc
 
 %changelog
+* Sun Apr 07 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.0.3-3mamba
+- add a patch to set 12h instead of 24h for daily refresh
+
 * Tue Apr 02 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.0.3-2mamba
 - discover-notifier: obsolete plasma-pk-updates
 - re-enable build of snap backend