diff --git a/core/backends/lan/lanlinkprovider.cpp b/core/backends/lan/lanlinkprovider.cpp
index 9ca77badf..a6dda376b 100644
--- a/core/backends/lan/lanlinkprovider.cpp
+++ b/core/backends/lan/lanlinkprovider.cpp
@@ -404,12 +404,15 @@ void LanLinkProvider::deviceLinkDestroyed(QObject* destroyedDeviceLink)
 {
     const QString id = destroyedDeviceLink->property("deviceId").toString();
     //qCDebug(KDECONNECT_CORE) << "deviceLinkDestroyed" << id;
-    Q_ASSERT(m_links.key(static_cast<LanDeviceLink*>(destroyedDeviceLink)) == id);
     QMap< QString, LanDeviceLink* >::iterator linkIterator = m_links.find(id);
+    Q_ASSERT(linkIterator != m_links.end());
     if (linkIterator != m_links.end()) {
         Q_ASSERT(linkIterator.value() == destroyedDeviceLink);
         m_links.erase(linkIterator);
-        m_pairingHandlers.take(id)->deleteLater();
+        auto pairingHandler = m_pairingHandlers.take(id);
+        if (pairingHandler) {
+            pairingHandler->deleteLater();
+        }
     }
 
 }