diff --git a/web/web.go b/web/web.go
index 37f1c2b2..6ff01403 100644
--- a/web/web.go
+++ b/web/web.go
@@ -245,6 +245,7 @@ type Page struct {
 	User          schema.User            // Information about the currently logged in user (Full User Info)
 	Roles         map[string]schema.Role // Available roles for frontend render checks
 	Build         Build                  // Latest information about the application
+	Clusters      []string               // List of all cluster names
 	SubClusters   map[string][]string    // Map per cluster of all subClusters for use in the Header
 	FilterPresets map[string]any         // For pages with the Filter component, this can be used to set initial filters.
 	Infos         map[string]any         // For generic use (e.g. username for /monitoring/user/<id>, job id for /monitoring/job/<id>)
@@ -259,9 +260,15 @@ func RenderTemplate(rw http.ResponseWriter, file string, page *Page) {
 		cclog.Errorf("WEB/WEB > template '%s' not found", file)
 	}
 
+	if page.Clusters == nil {
+		page.Clusters = make([]string, 2)
+	}
+
 	if page.SubClusters == nil {
 		page.SubClusters = make(map[string][]string)
 		for _, cluster := range archive.Clusters {
+			page.Clusters = append(page.Clusters, cluster.Name)
+
 			for _, sc := range cluster.SubClusters {
 				page.SubClusters[cluster.Name] = append(page.SubClusters[cluster.Name], sc.Name)
 			}