diff --git a/plasma-workspace-6.1.5-backport-fix_wayland_session_restore_saving.patch b/plasma-workspace-6.1.5-backport-fix_wayland_session_restore_saving.patch
new file mode 100644
index 0000000..a267cb0
--- /dev/null
+++ b/plasma-workspace-6.1.5-backport-fix_wayland_session_restore_saving.patch
@@ -0,0 +1,39 @@
+From fae71841ff018e34bbb02aa1098b53f63c1743d2 Mon Sep 17 00:00:00 2001
+From: Fushan Wen <qydwhotmail@gmail.com>
+Date: Tue, 17 Sep 2024 07:53:35 +0000
+Subject: [PATCH] startkde: Fix wayland session restore saving
+
+When we added manual saving support to plasma-shutdown a guard was
+changed in the normal shutdown path. This guard was wrong, we want to
+check we're in the restorePreviousLogout path here.
+
+This amends 804976c5ecec1fbf5f6e7e09970a8269bdf748d2
+
+BUG: 436318
+
+
+(cherry picked from commit 4dff1973116597210cf9fb1c102e5c9433d13b1d)
+
+89ee67ad startkde: Fix wayland session restore saving
+
+Co-authored-by: David Edmundson <kde@davidedmundson.co.uk>
+---
+ startkde/plasma-shutdown/shutdown.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/startkde/plasma-shutdown/shutdown.cpp b/startkde/plasma-shutdown/shutdown.cpp
+index 11c002bcd80..ab93cca6ef7 100644
+--- a/startkde/plasma-shutdown/shutdown.cpp
++++ b/startkde/plasma-shutdown/shutdown.cpp
+@@ -84,7 +84,7 @@ void Shutdown::ksmServerComplete()
+ {
+     const KConfigGroup c(KSharedConfig::openConfig(QStringLiteral("ksmserverrc")), QStringLiteral("General"));
+ 
+-    if (c.readEntry("loginMode", "restorePreviousLogout") == QLatin1String("restoreSavedSession")) {
++    if (c.readEntry("loginMode", "restorePreviousLogout") == QLatin1String("restorePreviousLogout")) {
+         // Now record windows that are not session managed
+         int ret = QProcess::execute(QStringLiteral(PLASMA_FALLBACK_SESSION_SAVE_BIN));
+         if (ret) {
+-- 
+GitLab
+
diff --git a/plasma-workspace.spec b/plasma-workspace.spec
index 91fffa2..ea7db14 100644
--- a/plasma-workspace.spec
+++ b/plasma-workspace.spec
@@ -2,7 +2,7 @@
 
 Name:          plasma-workspace
 Version:       6.1.5
-Release:       1mamba
+Release:       2mamba
 Summary:       KDE Plasma Workspace
 Group:         Graphical Desktop/Applications/Environment
 Vendor:        openmamba
@@ -20,6 +20,7 @@ Source7:       openmambaLookAndFeel.sh
 Source8:       openmamba-preview-light.png
 Source9:       openmamba-preview-dark.png
 Patch1:        plasma-workspace-5.25.4-hide-qtwindows-style.patch
+Patch2:        plasma-workspace-6.1.5-backport-fix_wayland_session_restore_saving.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -196,6 +197,7 @@ openmamba theme for KDE Plasma.
 #-D -T
 #:<< __EOF
 %patch 1 -p1
+%patch 2 -p1 -b .backport-fix_wayland_session_restore_saving
 
 # From Fedora
 
@@ -466,6 +468,9 @@ install -D -m0755 %{SOURCE7} %{buildroot}%{_datadir}/kconf_update/openmambaLookA
 %{_datadir}/kconf_update/openmambaLookAndFeel.*
 
 %changelog
+* Wed Sep 18 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.1.5-2mamba
+- backport upstream patch to fix session restore on wayland (https://bugs.kde.org/show_bug.cgi?id=436318 )
+
 * Sat Sep 14 2024 Automatic Build System <autodist@openmamba.org> 6.1.5-1mamba
 - automatic version update by autodist