diff --git a/src/plugins/platforms/wayland/qwaylandwindow.cpp b/src/plugins/platforms/wayland/qwaylandwindow.cpp
index b7f3c4c7ef7..8679463ec6b 100644
--- a/src/plugins/platforms/wayland/qwaylandwindow.cpp
+++ b/src/plugins/platforms/wayland/qwaylandwindow.cpp
@@ -130,6 +130,8 @@ QWaylandWindow::QWaylandWindow(QWindow *window)
 
 QWaylandWindow::~QWaylandWindow()
 {
+    delete mWindowDecoration;
+
     if (isInitialized()) {
         delete mShellSurface;
         destroy();