diff --git a/applets/notifications/lib/notificationsapplet.cpp b/applets/notifications/lib/notificationsapplet.cpp
--- a/applets/notifications/lib/notificationsapplet.cpp
+++ b/applets/notifications/lib/notificationsapplet.cpp
@@ -61,6 +61,12 @@
 
 void NotificationsApplet::onScreenChanges()
 {
+    // when removing the panel the applet is in, the containment is being destroyed but its corona is still
+    // there, rightfully emitting availableScreenRectChanged and then we blow up if we try to access it.
+    if (!containment()) {
+        return;
+    }
+
     m_availableScreenRect = containment()->corona()->availableScreenRect(containment()->screen());
     Q_EMIT availableScreenRectChanged(m_availableScreenRect);
 }