diff --git a/web/default/src/components/page-transition.tsx b/web/default/src/components/page-transition.tsx
index 9c90951d..ffd44d9b 100644
--- a/web/default/src/components/page-transition.tsx
+++ b/web/default/src/components/page-transition.tsx
@@ -57,8 +57,12 @@ export function PageTransition(props: PageTransitionProps) {
 
 export function AnimatedOutlet() {
   const shouldReduce = useReducedMotion()
+  // Key the page transition by the matched route id, not the resolved pathname.
+  // Navigating between params of the same route (e.g. dashboard tabs served by
+  // /dashboard/$section) then re-renders in place instead of remounting the
+  // route component and discarding its state (such as the selected time range).
   const routeKey = useRouterState({
-    select: (s) => s.location.pathname,
+    select: (s) => s.matches.at(-1)?.routeId ?? s.location.pathname,
   })
 
   if (shouldReduce) {