diff --git a/src/migrations/cluster-store/5.0.0-beta.10.ts b/src/migrations/cluster-store/5.0.0-beta.10.ts
index 3a2b5bdfe3..4b7fa9f3bd 100644
--- a/src/migrations/cluster-store/5.0.0-beta.10.ts
+++ b/src/migrations/cluster-store/5.0.0-beta.10.ts
@@ -45,7 +45,7 @@ export default {
         workspaces.set(id, name);
       }
 
-      const clusters: ClusterModel[] = store.get("clusters");
+      const clusters: ClusterModel[] = store.get("clusters") ?? [];
 
       for (const cluster of clusters) {
         if (cluster.workspace && workspaces.has(cluster.workspace)) {