diff --git a/frontend-modern/src/components/shared/UnifiedNodeSelector.tsx b/frontend-modern/src/components/shared/UnifiedNodeSelector.tsx
index b50d7c0b7..bd084cf84 100644
--- a/frontend-modern/src/components/shared/UnifiedNodeSelector.tsx
+++ b/frontend-modern/src/components/shared/UnifiedNodeSelector.tsx
@@ -47,7 +47,7 @@ export const UnifiedNodeSelector: Component<UnifiedNodeSelectorProps> = (props)
   const backupCounts = createMemo(() => {
     const counts: Record<string, number> = {};
 
-    // Count PVE backups and snapshots by node
+    // Count PVE backups and snapshots by node instance ID (not hostname)
     const nodes = props.nodes || state.nodes;
     if (nodes) {
       nodes.forEach((node) => {
@@ -56,13 +56,13 @@ export const UnifiedNodeSelector: Component<UnifiedNodeSelectorProps> = (props)
         // Count storage backups (excluding PBS backups which are counted separately)
         if (state.pveBackups?.storageBackups) {
           count += state.pveBackups.storageBackups.filter(
-            (b) => b.node === node.name && !b.isPBS,
+            (b) => b.instance === node.id && !b.isPBS,
           ).length;
         }
 
         // Count snapshots
         if (state.pveBackups?.guestSnapshots) {
-          count += state.pveBackups.guestSnapshots.filter((s) => s.node === node.name).length;
+          count += state.pveBackups.guestSnapshots.filter((s) => s.instance === node.id).length;
         }
 
         counts[node.name] = count;
diff --git a/frontend-modern/src/types/api.ts b/frontend-modern/src/types/api.ts
index 8eb687b3c..956a80ce5 100644
--- a/frontend-modern/src/types/api.ts
+++ b/frontend-modern/src/types/api.ts
@@ -318,6 +318,7 @@ export interface StorageBackup {
   id: string;
   storage: string;
   node: string;
+  instance: string;
   type: string;
   vmid: number;
   time: string;
@@ -343,6 +344,7 @@ export interface GuestSnapshot {
   id: string;
   name: string;
   node: string;
+  instance: string;
   type: string;
   vmid: number;
   time: string;
diff --git a/internal/models/models.go b/internal/models/models.go
index 2cb0e4454..1418f6d54 100644
--- a/internal/models/models.go
+++ b/internal/models/models.go
@@ -374,6 +374,7 @@ type StorageBackup struct {
 	ID           string    `json:"id"`
 	Storage      string    `json:"storage"`
 	Node         string    `json:"node"`
+	Instance     string    `json:"instance"` // Unique instance identifier (for nodes with duplicate names)
 	Type         string    `json:"type"`
 	VMID         int       `json:"vmid"`
 	Time         time.Time `json:"time"`
@@ -393,6 +394,7 @@ type GuestSnapshot struct {
 	ID          string    `json:"id"`
 	Name        string    `json:"name"`
 	Node        string    `json:"node"`
+	Instance    string    `json:"instance"` // Unique instance identifier (for nodes with duplicate names)
 	Type        string    `json:"type"`
 	VMID        int       `json:"vmid"`
 	Time        time.Time `json:"time"`
diff --git a/internal/monitoring/monitor.go b/internal/monitoring/monitor.go
index 6e1e140c7..e53739733 100644
--- a/internal/monitoring/monitor.go
+++ b/internal/monitoring/monitor.go
@@ -3247,6 +3247,7 @@ func (m *Monitor) pollStorageBackupsWithNodes(ctx context.Context, instanceName
 					ID:           fmt.Sprintf("%s-%s", instanceName, content.Volid),
 					Storage:      storage.Storage,
 					Node:         backupNode,
+					Instance:     instanceName,
 					Type:         backupType,
 					VMID:         content.VMID,
 					Time:         time.Unix(content.CTime, 0),
@@ -3316,6 +3317,7 @@ func (m *Monitor) pollGuestSnapshots(ctx context.Context, instanceName string, c
 				ID:          fmt.Sprintf("%s-%s-%d-%s", instanceName, vm.Node, vm.VMID, snap.Name),
 				Name:        snap.Name,
 				Node:        vm.Node,
+				Instance:    instanceName,
 				Type:        "qemu",
 				VMID:        vm.VMID,
 				Time:        time.Unix(snap.SnapTime, 0),
@@ -3358,6 +3360,7 @@ func (m *Monitor) pollGuestSnapshots(ctx context.Context, instanceName string, c
 				ID:          fmt.Sprintf("%s-%s-%d-%s", instanceName, ct.Node, ct.VMID, snap.Name),
 				Name:        snap.Name,
 				Node:        ct.Node,
+				Instance:    instanceName,
 				Type:        "lxc",
 				VMID:        ct.VMID,
 				Time:        time.Unix(snap.SnapTime, 0),