--- a/src/Application.cpp
+++ b/src/Application.cpp
@@ -98,7 +98,7 @@ void Application::populateCommandLinePar
         { { QStringLiteral("fullscreen") },
             i18nc("@info:shell", "Start Konsole in fullscreen mode")
         },
-        { { QStringLiteral("notransparency") },
+        { { QStringLiteral("transparency") },
             i18nc("@info:shell", "Disable transparent backgrounds, even if the system supports them.")
         },
         { { QStringLiteral("list-profiles") },
@@ -161,7 +161,7 @@ Application::~Application()
 
 MainWindow *Application::newMainWindow()
 {
-    WindowSystemInfo::HAVE_TRANSPARENCY = !m_parser->isSet(QStringLiteral("notransparency"));
+    WindowSystemInfo::HAVE_TRANSPARENCY = m_parser->isSet(QStringLiteral("transparency"));
 
     auto window = new MainWindow();