diff --git a/src/components/berths/berth-tabs.tsx b/src/components/berths/berth-tabs.tsx
index d8150c20..97590147 100644
--- a/src/components/berths/berth-tabs.tsx
+++ b/src/components/berths/berth-tabs.tsx
@@ -117,7 +117,11 @@ function useBerthPatch(berthId: string) {
         body: patch,
       }),
     onSuccess: () => {
-      qc.invalidateQueries({ queryKey: ['berths', berthId] });
+      // Detail page query is keyed `['berth', berthId]` (singular); the
+      // list query is `['berths']` (plural). Invalidate both so inline
+      // edits on the detail Overview tab refresh the visible value
+      // even when Socket.IO realtime isn't running (dev / no-ws envs).
+      qc.invalidateQueries({ queryKey: ['berth', berthId] });
       qc.invalidateQueries({ queryKey: ['berths'] });
     },
   });