diff --git a/src/kcmkwin/kwindecoration/kwin-applywindowdecoration.cpp b/src/kcmkwin/kwindecoration/kwin-applywindowdecoration.cpp
index f6c79a5e14..ace08563fd 100644
--- a/src/kcmkwin/kwindecoration/kwin-applywindowdecoration.cpp
+++ b/src/kcmkwin/kwindecoration/kwin-applywindowdecoration.cpp
@@ -68,13 +68,13 @@ int main(int argc, char **argv)
                     }
                 }
             } else {
-                ts << i18n("You attempted to pass a file path, but this could not be resolved to a theme, and we will have to abort, due to having no theme to set") << endl;
+                ts << i18n("You attempted to pass a file path, but this could not be resolved to a theme, and we will have to abort, due to having no theme to set") << Qt::endl;
                 exitCode = -1;
             }
         }
 
         if (settings->theme() == requestedTheme) {
-            ts << i18n("The requested theme \"%1\" is already set as the window decoration theme.", requestedTheme) << endl;
+            ts << i18n("The requested theme \"%1\" is already set as the window decoration theme.", requestedTheme) << Qt::endl;
             // not an error condition, just nothing happens
         } else if (themeResolved) {
             int index{-1};
@@ -97,18 +97,18 @@ int main(int argc, char **argv)
                                                                     QStringLiteral("reloadConfig"));
                     QDBusConnection::sessionBus().send(message);
                     ts << i18n("Successfully applied the cursor theme %1 to your current Plasma session",
-                                model->data(model->index(index), KDecoration2::Configuration::DecorationsModel::ThemeNameRole).toString()) << endl;
+                                model->data(model->index(index), KDecoration2::Configuration::DecorationsModel::ThemeNameRole).toString()) << Qt::endl;
                 } else {
                     ts << i18n("Failed to save your theme settings - the reason is unknown, but this is an unrecoverable error. You may find that simply trying again will work.");
                     exitCode = -1;
                 }
             } else {
-                ts << i18n("Could not find theme \"%1\". The theme should be one of the following options: %2", requestedTheme, availableThemes.join(QStringLiteral(", "))) << endl;
+                ts << i18n("Could not find theme \"%1\". The theme should be one of the following options: %2", requestedTheme, availableThemes.join(QStringLiteral(", "))) << Qt::endl;
                 exitCode = -1;
             }
         }
     } else if (parser->isSet(QStringLiteral("list-themes"))) {
-        ts << i18n("You have the following KWin window decoration themes on your system:") << endl;
+        ts << i18n("You have the following KWin window decoration themes on your system:") << Qt::endl;
         for (int i = 0 ; i < model->rowCount(); ++i) {
             const QString displayName = model->data(model->index(i), Qt::DisplayRole).toString();
             const QString themeName = model->data(model->index(i), KDecoration2::Configuration::DecorationsModel::ThemeNameRole).toString();