diff --git a/src/deleted.cpp b/src/deleted.cpp
index 5af1f91172..b427871807 100644
--- a/src/deleted.cpp
+++ b/src/deleted.cpp
@@ -108,7 +108,7 @@ void Deleted::copyToDeleted(Window *window)
     m_caption = window->caption();
 
     for (auto vd : qAsConst(m_desktops)) {
-        connect(vd, &QObject::destroyed, this, [=] {
+        connect(vd, &QObject::destroyed, this, [=, this] {
             m_desktops.removeOne(vd);
         });
     }
diff --git a/src/effects/screenshot/screenshotdbusinterface2.cpp b/src/effects/screenshot/screenshotdbusinterface2.cpp
index c1cf8ec60e..d0c6bd9910 100644
--- a/src/effects/screenshot/screenshotdbusinterface2.cpp
+++ b/src/effects/screenshot/screenshotdbusinterface2.cpp
@@ -456,7 +456,7 @@ QVariantMap ScreenShotDBusInterface2::CaptureInteractive(uint kind,
     const QDBusMessage replyMessage = message();
 
     if (kind == 0) {
-        effects->startInteractiveWindowSelection([=](EffectWindow *window) {
+        effects->startInteractiveWindowSelection([=, this](EffectWindow *window) {
             effects->hideOnScreenMessage(EffectsHandler::OnScreenMessageHideFlag::SkipsCloseAnimation);
 
             if (!window) {
@@ -473,7 +473,7 @@ QVariantMap ScreenShotDBusInterface2::CaptureInteractive(uint kind,
                                           "Escape or right click to cancel."),
                                      QStringLiteral("spectacle"));
     } else {
-        effects->startInteractivePositionSelection([=](const QPoint &point) {
+        effects->startInteractivePositionSelection([=, this](const QPoint &point) {
             effects->hideOnScreenMessage(EffectsHandler::OnScreenMessageHideFlag::SkipsCloseAnimation);
 
             if (point == QPoint(-1, -1)) {
diff --git a/src/kcmkwin/common/effectsmodel.cpp b/src/kcmkwin/common/effectsmodel.cpp
index 765a64c453..a7e9597252 100644
--- a/src/kcmkwin/common/effectsmodel.cpp
+++ b/src/kcmkwin/common/effectsmodel.cpp
@@ -449,7 +449,7 @@ void EffectsModel::load(LoadOptions options)
         const int serial = ++m_lastSerial;
 
         QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(interface.areEffectsSupported(effectNames), this);
-        connect(watcher, &QDBusPendingCallWatcher::finished, this, [=](QDBusPendingCallWatcher *self) {
+        connect(watcher, &QDBusPendingCallWatcher::finished, this, [=, this](QDBusPendingCallWatcher *self) {
             self->deleteLater();
 
             if (m_lastSerial != serial) {
diff --git a/src/kcmkwin/kwindecoration/kcm.cpp b/src/kcmkwin/kwindecoration/kcm.cpp
index b71c6bca76..c5d369ba43 100644
--- a/src/kcmkwin/kwindecoration/kcm.cpp
+++ b/src/kcmkwin/kwindecoration/kcm.cpp
@@ -70,7 +70,7 @@ KCMKWinDecoration::KCMKWinDecoration(QObject *parent, const QVariantList &argume
     connect(this, &KCMKWinDecoration::borderSizeChanged, this, &KCMKWinDecoration::borderIndexChanged);
     connect(this, &KCMKWinDecoration::themeChanged, this, &KCMKWinDecoration::borderIndexChanged);
 
-    connect(this, &KCMKWinDecoration::themeChanged, this, [=]() {
+    connect(this, &KCMKWinDecoration::themeChanged, this, [this]() {
         if (m_data->settings()->borderSizeAuto()) {
             setBorderSize(recommendedBorderSize());
         }
diff --git a/src/wayland/appmenu_interface.cpp b/src/wayland/appmenu_interface.cpp
index 50e8080523..d84759e5f3 100644
--- a/src/wayland/appmenu_interface.cpp
+++ b/src/wayland/appmenu_interface.cpp
@@ -42,7 +42,7 @@ void AppMenuManagerInterfacePrivate::org_kde_kwin_appmenu_manager_create(Resourc
     auto appmenu = new AppMenuInterface(s, appmenu_resource);
 
     appmenus.append(appmenu);
-    QObject::connect(appmenu, &QObject::destroyed, q, [=]() {
+    QObject::connect(appmenu, &QObject::destroyed, q, [=, this]() {
         appmenus.removeOne(appmenu);
     });
     Q_EMIT q->appMenuCreated(appmenu);