diff --git a/reactos/base/applications/taskmgr/taskmgr.c b/reactos/base/applications/taskmgr/taskmgr.c
index f47809b3281..7639c4f7f17 100644
--- a/reactos/base/applications/taskmgr/taskmgr.c
+++ b/reactos/base/applications/taskmgr/taskmgr.c
@@ -493,6 +493,8 @@ TaskManagerWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
             TaskManagerSettings.Maximized = FALSE;
         /* Get rid of the allocated command line cache, if any */
         PerfDataDeallocCommandLineCache();
+        if (hWindowMenu)
+            DestroyMenu(hWindowMenu);
         return DefWindowProcW(hDlg, message, wParam, lParam);
 
     case WM_TIMER: