diff --git a/ui/src/app.cpp b/ui/src/app.cpp
index 42f93ed441..f27d1d3156 100644
--- a/ui/src/app.cpp
+++ b/ui/src/app.cpp
@@ -1167,8 +1167,6 @@ void App::slotDetachContext(int index)
 
     connect(detachedWindow, SIGNAL(closing()),
             this, SLOT(slotReattachContext()));
-
-    m_tab->removeTab(index);
 }
 
 void App::slotReattachContext()
diff --git a/ui/src/app.h b/ui/src/app.h
index 3c309b7351..0a57754979 100644
--- a/ui/src/app.h
+++ b/ui/src/app.h
@@ -60,11 +60,12 @@ class DetachedContext : public QMainWindow
     DetachedContext() {}
 
 protected slots:
-    void closeEvent(QCloseEvent *)
+    void closeEvent(QCloseEvent *ev)
     {
         emit closing();
         // avoid the real context to be destroyed !
         setCentralWidget(NULL);
+        QMainWindow::closeEvent(ev);
     }
 
 signals: