diff --git a/panels/dock/taskmanager/treelandwindow.cpp b/panels/dock/taskmanager/treelandwindow.cpp
index 7e119610a..c9dd3701a 100644
--- a/panels/dock/taskmanager/treelandwindow.cpp
+++ b/panels/dock/taskmanager/treelandwindow.cpp
@@ -22,10 +22,18 @@ ForeignToplevelHandle::ForeignToplevelHandle(struct ::treeland_foreign_toplevel_
     , QtWayland::treeland_foreign_toplevel_handle_v1(object)
     , m_pid(0)
     , m_isReady(false)
+    , m_identifier(0)
 {
     init(object);
 }
 
+ForeignToplevelHandle::~ForeignToplevelHandle()
+{
+    if (object()) {
+        destroy();
+    }
+}
+
 uint32_t ForeignToplevelHandle::id() const
 {
     return m_identifier;
diff --git a/panels/dock/taskmanager/treelandwindow.h b/panels/dock/taskmanager/treelandwindow.h
index 73f80e3dd..f581b5471 100644
--- a/panels/dock/taskmanager/treelandwindow.h
+++ b/panels/dock/taskmanager/treelandwindow.h
@@ -20,6 +20,7 @@ class ForeignToplevelHandle : public QWaylandClientExtensionTemplate<ForeignTopl
 
 public:
     explicit ForeignToplevelHandle(struct ::treeland_foreign_toplevel_handle_v1 *object);
+    ~ForeignToplevelHandle();
     bool isReady() const;
     uint32_t id() const;
     pid_t pid() const;