diff --git a/src/akonadi/akonadimonitorimpl.cpp b/src/akonadi/akonadimonitorimpl.cpp
--- a/src/akonadi/akonadimonitorimpl.cpp
+++ b/src/akonadi/akonadimonitorimpl.cpp
@@ -82,6 +82,7 @@
 
 MonitorImpl::~MonitorImpl()
 {
+    delete m_monitor;
 }
 
 void MonitorImpl::onCollectionChanged(const Collection &collection, const QSet<QByteArray> &parts)