Merge branch 'release/21.04' addendum

This should have belonged to my previous merge
480b3067d25e4b49ea55285313a7c10e93f98ffd but somehow I managed to
miss this one line.

It was written by Derek Christ as part of
dc3beae3ab2c55cd3501e17f93b51e93e876a177.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dolphincontextmenu.cpp b/src/dolphincontextmenu.cpp
index 47f0cdd40..9e152c5d7 100644
--- a/src/dolphincontextmenu.cpp
+++ b/src/dolphincontextmenu.cpp
@@ -64,7 +64,7 @@ DolphinContextMenu::DolphinContextMenu(DolphinMainWindow* parent,
     const DolphinView* view = m_mainWindow->activeViewContainer()->view();
     m_selectedItems = view->selectedItems();
 
-    installEventFilter(this);
+    QApplication::instance()->installEventFilter(this);
 
     static_cast<KHamburgerMenu *>(m_mainWindow->actionCollection()->
                 action(QStringLiteral("hamburger_menu")))->addToMenu(this);