diff --git a/neode-ui/src/views/fleet/FleetNodeDetail.vue b/neode-ui/src/views/fleet/FleetNodeDetail.vue
index ad2ecb76..63f1b5c8 100644
--- a/neode-ui/src/views/fleet/FleetNodeDetail.vue
+++ b/neode-ui/src/views/fleet/FleetNodeDetail.vue
@@ -67,12 +67,12 @@
     <!-- Container List -->
     <div class="mb-4">
       <h4 class="text-xs font-medium text-white/60 mb-2 uppercase tracking-wide">Containers</h4>
-      <div v-if="!node.containers.length" class="text-white/40 text-sm py-2">
+      <div v-if="!node.containers?.length" class="text-white/40 text-sm py-2">
         No containers reported.
       </div>
       <div v-else class="space-y-1">
         <div
-          v-for="c in node.containers"
+          v-for="c in (node.containers || [])"
           :key="c.id"
           class="flex items-center gap-3 p-2 bg-white/5 rounded-lg"
         >
diff --git a/neode-ui/src/views/fleet/useFleetData.ts b/neode-ui/src/views/fleet/useFleetData.ts
index b6e82222..e47cde16 100644
--- a/neode-ui/src/views/fleet/useFleetData.ts
+++ b/neode-ui/src/views/fleet/useFleetData.ts
@@ -107,7 +107,7 @@ export function formatTimestamp(ts: string): string {
 }
 
 export function getContainerState(node: FleetNode, appId: string): string | null {
-  const container = node.containers.find(c => c.id === appId)
+  const container = (node.containers || []).find(c => c.id === appId)
   if (!container) return null
   return container.state
 }
@@ -190,7 +190,7 @@ export function useFleetData() {
   const allAppIds = computed(() => {
     const appSet = new Set<string>()
     for (const node of nodes.value) {
-      for (const c of node.containers) {
+      for (const c of (node.containers || [])) {
         appSet.add(c.id)
       }
     }