diff --git a/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/SitemapResource.java b/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/SitemapResource.java
index 267416435c6..17839c57f88 100644
--- a/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/SitemapResource.java
+++ b/bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/SitemapResource.java
@@ -74,6 +74,7 @@
 import org.openhab.core.items.GenericItem;
 import org.openhab.core.items.Item;
 import org.openhab.core.items.ItemNotFoundException;
+import org.openhab.core.items.events.GroupItemStateChangedEvent;
 import org.openhab.core.items.events.ItemEvent;
 import org.openhab.core.items.events.ItemStateChangedEvent;
 import org.openhab.core.library.CoreItemFactory;
@@ -918,7 +919,7 @@ private void getItemsInConditions(@Nullable EList<Condition> conditions, Set<Gen
 
     @Override
     public Set<String> getSubscribedEventTypes() {
-        return Set.of(ItemStateChangedEvent.TYPE);
+        return Set.of(ItemStateChangedEvent.TYPE, GroupItemStateChangedEvent.TYPE);
     }
 
     @Override