diff --git a/bundles/io/org.eclipse.smarthome.io.rest.sitemap/src/main/java/org/eclipse/smarthome/io/rest/sitemap/SitemapSubscriptionService.java b/bundles/io/org.eclipse.smarthome.io.rest.sitemap/src/main/java/org/eclipse/smarthome/io/rest/sitemap/SitemapSubscriptionService.java
index 15ca9483b53..c65694b85bc 100644
--- a/bundles/io/org.eclipse.smarthome.io.rest.sitemap/src/main/java/org/eclipse/smarthome/io/rest/sitemap/SitemapSubscriptionService.java
+++ b/bundles/io/org.eclipse.smarthome.io.rest.sitemap/src/main/java/org/eclipse/smarthome/io/rest/sitemap/SitemapSubscriptionService.java
@@ -281,9 +281,11 @@ public void modelChanged(String modelName, EventType type) {
         for (Entry<String, PageChangeListener> listenerEntry : pageChangeListeners.entrySet()) {
             String sitemapWithPage = listenerEntry.getKey();
             String sitemapName = extractSitemapName(sitemapWithPage);
+            String pageId = extractPageId(sitemapWithPage);
 
             if (sitemapName.equals(changedSitemapName)) {
-                listenerEntry.getValue().sitemapContentChanged();
+                EList<Widget> widgets = collectWidgets(sitemapName, pageId);
+                listenerEntry.getValue().sitemapContentChanged(widgets);
             }
         }
     }
diff --git a/bundles/io/org.eclipse.smarthome.io.rest.sitemap/src/main/java/org/eclipse/smarthome/io/rest/sitemap/internal/PageChangeListener.java b/bundles/io/org.eclipse.smarthome.io.rest.sitemap/src/main/java/org/eclipse/smarthome/io/rest/sitemap/internal/PageChangeListener.java
index 1a873657819..3848cba841f 100644
--- a/bundles/io/org.eclipse.smarthome.io.rest.sitemap/src/main/java/org/eclipse/smarthome/io/rest/sitemap/internal/PageChangeListener.java
+++ b/bundles/io/org.eclipse.smarthome.io.rest.sitemap/src/main/java/org/eclipse/smarthome/io/rest/sitemap/internal/PageChangeListener.java
@@ -257,7 +257,9 @@ private boolean definesVisibilityOrColor(Widget w, String name) {
         return false;
     }
 
-    public void sitemapContentChanged() {
+    public void sitemapContentChanged(EList<Widget> widgets) {
+        updateItemsAndWidgets(widgets);
+
         SitemapChangedEvent changeEvent = new SitemapChangedEvent();
         changeEvent.pageId = pageId;
         changeEvent.sitemapName = sitemapName;