diff --git a/applets/icon/iconapplet.h b/applets/icon/iconapplet.h
--- a/applets/icon/iconapplet.h
+++ b/applets/icon/iconapplet.h
@@ -45,6 +45,7 @@
     ~IconApplet() override;
 
     void init() override;
+    void configChanged() override;
 
     QUrl url() const;
     void setUrl(const QUrl &url);
diff --git a/applets/icon/iconapplet.cpp b/applets/icon/iconapplet.cpp
--- a/applets/icon/iconapplet.cpp
+++ b/applets/icon/iconapplet.cpp
@@ -66,6 +66,11 @@
     populate();
 }
 
+void IconApplet::configChanged()
+{
+    populate();
+}
+
 void IconApplet::populate()
 {
     m_url = config().readEntry(QStringLiteral("url"), QUrl());