diff --git a/src/qt/evtloop.cpp b/src/qt/evtloop.cpp
index 2cb13ba0f6..ce99d051d0 100644
--- a/src/qt/evtloop.cpp
+++ b/src/qt/evtloop.cpp
@@ -82,6 +82,7 @@ wxQtEventLoopBase::wxQtEventLoopBase()
 
 wxQtEventLoopBase::~wxQtEventLoopBase()
 {
+    qApp->removeEventFilter(m_qtIdleTimer);
     delete m_qtIdleTimer;
 }