diff --git a/ui/src/api/queries/logs.ts b/ui/src/api/queries/logs.ts
index aa39f272..e64d188d 100644
--- a/ui/src/api/queries/logs.ts
+++ b/ui/src/api/queries/logs.ts
@@ -21,17 +21,24 @@ export function useApplicationLogs(
   const refetchInterval = useRefreshInterval(15_000);
   const { timeRange } = useGlobalFilters();
   const to = options?.toOverride ?? timeRange.end.toISOString();
+  // When filtering by exchangeId, skip the global time range — exchange logs are historical
+  const useTimeRange = !options?.exchangeId;
 
   return useQuery({
-    queryKey: ['logs', application, agentId, timeRange.start.toISOString(), to, options?.limit, options?.exchangeId],
+    queryKey: ['logs', application, agentId,
+      useTimeRange ? timeRange.start.toISOString() : null,
+      useTimeRange ? to : null,
+      options?.limit, options?.exchangeId],
     queryFn: async () => {
       const token = useAuthStore.getState().accessToken;
       const params = new URLSearchParams();
       params.set('application', application!);
       if (agentId) params.set('agentId', agentId);
       if (options?.exchangeId) params.set('exchangeId', options.exchangeId);
-      params.set('from', timeRange.start.toISOString());
-      params.set('to', to);
+      if (useTimeRange) {
+        params.set('from', timeRange.start.toISOString());
+        params.set('to', to);
+      }
       if (options?.limit) params.set('limit', String(options.limit));
       const res = await fetch(`${config.apiBaseUrl}/logs?${params}`, {
         headers: {
@@ -43,6 +50,7 @@ export function useApplicationLogs(
       return res.json() as Promise<LogEntryResponse[]>;
     },
     enabled: !!application,
+    placeholderData: (prev) => prev,
     refetchInterval,
   });
 }