diff --git a/packages/core/src/common/cluster-types.ts b/packages/core/src/common/cluster-types.ts
index ba01489152..da5d9f5079 100644
--- a/packages/core/src/common/cluster-types.ts
+++ b/packages/core/src/common/cluster-types.ts
@@ -105,6 +105,7 @@ export interface ClusterPreferences extends ClusterPrometheusPreferences {
    * cleared by preferences.
    */
   icon?: string | null;
+  iconBackgroundColor?: string;
   httpsProxy?: string;
   hiddenMetrics?: string[];
   nodeShellImage?: string;