diff --git a/src/kwordquiz.cpp b/src/kwordquiz.cpp
--- a/src/kwordquiz.cpp
+++ b/src/kwordquiz.cpp
@@ -979,7 +979,10 @@
       // the window and the application stay open.
       if(!w->close())
         break;
+      KWordQuizApp *a =(KWordQuizApp *) w;
+      a->document()->close();
     }
+    m_doc->close();
   }
 }