diff --git a/it0-web-admin/src/app/(admin)/audit/logs/page.tsx b/it0-web-admin/src/app/(admin)/audit/logs/page.tsx
index 22f3472..89da80e 100644
--- a/it0-web-admin/src/app/(admin)/audit/logs/page.tsx
+++ b/it0-web-admin/src/app/(admin)/audit/logs/page.tsx
@@ -78,7 +78,7 @@ export default function AuditLogsPage() {
     queryFn: () => apiClient<AuditLogsResponse>(`/api/v1/audit/logs?${queryString}`),
   });
 
-  const logs = data ?? [];
+  const logs = Array.isArray(data) ? data : [];
   const total = logs.length;
   const totalPages = Math.max(1, Math.ceil(total / pageSize));
 
diff --git a/it0-web-admin/src/app/(admin)/audit/replay/page.tsx b/it0-web-admin/src/app/(admin)/audit/replay/page.tsx
index a422598..c65a1c0 100644
--- a/it0-web-admin/src/app/(admin)/audit/replay/page.tsx
+++ b/it0-web-admin/src/app/(admin)/audit/replay/page.tsx
@@ -187,7 +187,7 @@ export default function SessionReplayPage() {
       ),
   });
 
-  const sessions = sessionsData ?? [];
+  const sessions = Array.isArray(sessionsData) ? sessionsData : [];
   const total = sessions.length;
 
   // Fetch session events when a session is selected
diff --git a/it0-web-admin/src/app/(admin)/runbooks/[id]/page.tsx b/it0-web-admin/src/app/(admin)/runbooks/[id]/page.tsx
index 3ecdd12..384c54f 100644
--- a/it0-web-admin/src/app/(admin)/runbooks/[id]/page.tsx
+++ b/it0-web-admin/src/app/(admin)/runbooks/[id]/page.tsx
@@ -272,7 +272,7 @@ export default function RunbookDetailPage() {
     enabled: !!id,
   });
 
-  const executions = executionsData ?? [];
+  const executions = Array.isArray(executionsData) ? executionsData : [];
 
   // Mutations --------------------------------------------------------------
   const updateMutation = useMutation({
diff --git a/it0-web-admin/src/app/(admin)/servers/page.tsx b/it0-web-admin/src/app/(admin)/servers/page.tsx
index 9951854..b92cd87 100644
--- a/it0-web-admin/src/app/(admin)/servers/page.tsx
+++ b/it0-web-admin/src/app/(admin)/servers/page.tsx
@@ -321,7 +321,7 @@ export default function ServersPage() {
     },
   });
 
-  const servers = data ?? [];
+  const servers = Array.isArray(data) ? data : [];
 
   // Mutations ------------------------------------------------------------
   const createMutation = useMutation({
diff --git a/it0-web-admin/src/app/(admin)/standing-orders/[id]/page.tsx b/it0-web-admin/src/app/(admin)/standing-orders/[id]/page.tsx
index 9cfa16b..c40fba1 100644
--- a/it0-web-admin/src/app/(admin)/standing-orders/[id]/page.tsx
+++ b/it0-web-admin/src/app/(admin)/standing-orders/[id]/page.tsx
@@ -472,7 +472,7 @@ export default function StandingOrderDetailPage() {
     enabled: !!id,
   });
 
-  const executions = executionsData ?? [];
+  const executions = Array.isArray(executionsData) ? executionsData : [];
   const totalExecutions = executions.length;
   const totalPages = Math.ceil(totalExecutions / PAGE_SIZE);