diff --git a/packages/client/ui-open-in-app/src/client/OpenPathAction.tsx b/packages/client/ui-open-in-app/src/client/OpenPathAction.tsx
index d6c7da7f7a..d7bf5aca23 100644
--- a/packages/client/ui-open-in-app/src/client/OpenPathAction.tsx
+++ b/packages/client/ui-open-in-app/src/client/OpenPathAction.tsx
@@ -58,7 +58,8 @@ export function FileOpenTarget(props: FileOpenTargetProps): ReactNode {
   return (
     <OpenTargetButton
       key={props.absolutePath} kind="file" applications={apps ?? []} defaultId={apps?.find(app => app.default)?.id}
-      failed={association?.path === props.absolutePath && apps === null} empty={props.empty === true} t={props.t}
+      loading={association?.path !== props.absolutePath} failed={association?.path === props.absolutePath && apps === null}
+      empty={props.empty === true} t={props.t}
       refresh={() => { setRevision(value => value + 1) }}
       execute={operation => props.openPath(props.absolutePath, operation.kind === 'reveal' ? 'reveal' : 'open',
         operation.kind === 'application' ? operation.id : undefined)}
diff --git a/packages/client/ui-open-in-app/src/client/OpenTargetButton.tsx b/packages/client/ui-open-in-app/src/client/OpenTargetButton.tsx
index b96675d8ae..207fee182f 100644
--- a/packages/client/ui-open-in-app/src/client/OpenTargetButton.tsx
+++ b/packages/client/ui-open-in-app/src/client/OpenTargetButton.tsx
@@ -26,6 +26,7 @@ export interface OpenTargetButtonProps {
   readonly applications: readonly OpenTargetApplication[]
   readonly defaultId: string | undefined
   readonly failed: boolean
+  readonly loading?: boolean
   readonly empty?: boolean
   readonly t: TranslateNS<typeof NS>
   readonly execute: (operation: OpenTargetOperation) => Promise<OpenInAppPathFailure | null>
@@ -78,6 +79,7 @@ export function OpenTargetButton(props: OpenTargetButtonProps): ReactNode {
   const [menuOpen, setMenuOpen] = useState(false)
   const { pending, toast, act } = useOpenTargetGesture(props.execute, t)
   const preferred = applications.find(app => app.id === defaultId)
+  const disabled = pending || props.loading === true
   const revealDefault = kind === 'file' && preferred === undefined
   const primaryLabel = preferred === undefined ? t('path.reveal') : t('open.title', { app: preferred.name })
   const run = (operation: OpenTargetOperation): void => { setMenuOpen(false); act(operation) }
@@ -87,7 +89,7 @@ export function OpenTargetButton(props: OpenTargetButtonProps): ReactNode {
     : <ApplicationIcon key={preferred?.icon} source={preferred?.icon ?? null} size={13} />
   if (props.empty === true) return (
     <>
-      <button type="button" className={css.empty} disabled={pending} data-open-path-unpreviewable onClick={primary}>
+      <button type="button" className={css.empty} disabled={disabled} data-open-path-unpreviewable onClick={primary}>
         {t('path.open')}{icon}
       </button>
       {toast}
@@ -97,7 +99,7 @@ export function OpenTargetButton(props: OpenTargetButtonProps): ReactNode {
     <>
       <Menu
         className={css.menuAnchor}
-        open={menuOpen && !pending}
+        open={menuOpen && !disabled}
         autoFocus
         portal
         dense
@@ -117,15 +119,15 @@ export function OpenTargetButton(props: OpenTargetButtonProps): ReactNode {
         ]}
         onSelect={(id) => { run(id === 'reveal' ? { kind: 'reveal' } : { kind: 'application', id: id.slice(4) }) }}
         anchor={(
-          <div className={css.split} data-open-target={kind} data-open-path={kind === 'file' ? '' : undefined} data-state={pending ? 'busy' : 'idle'}>
+          <div className={css.split} data-open-target={kind} data-open-path={kind === 'file' ? '' : undefined} data-state={disabled ? 'busy' : 'idle'}>
             <Tooltip label={revealDefault ? t('path.reveal') : t('open.tooltip')} side="bottom" delayMs={500}>
-              <button type="button" className={css.main} disabled={pending} aria-label={primaryLabel} data-open-path-open={kind === 'file' ? '' : undefined} onClick={primary}>
+              <button type="button" className={css.main} disabled={disabled} aria-label={primaryLabel} data-open-path-open={kind === 'file' ? '' : undefined} onClick={primary}>
                 {icon}
               </button>
             </Tooltip>
             <button
-              type="button" className={css.chevron} disabled={pending}
-              aria-haspopup="menu" aria-expanded={menuOpen && !pending} aria-label={t('path.more')}
+              type="button" className={css.chevron} disabled={disabled}
+              aria-haspopup="menu" aria-expanded={menuOpen && !disabled} aria-label={t('path.more')}
               data-open-path-more={kind === 'file' ? '' : undefined}
               onClick={() => {
                 if (!menuOpen) props.refresh?.()
diff --git a/packages/client/ui-open-in-app/tests/open-path-action.client.spec.tsx b/packages/client/ui-open-in-app/tests/open-path-action.client.spec.tsx
index 15df920d7c..6f3f9b474d 100644
--- a/packages/client/ui-open-in-app/tests/open-path-action.client.spec.tsx
+++ b/packages/client/ui-open-in-app/tests/open-path-action.client.spec.tsx
@@ -187,6 +187,7 @@ it('ignores an obsolete file query and refreshes the default application when th
 it('keeps reveal last and makes it the default when the file query fails', async () => {
   const b = bench()
   render(<OpenPathAction {...b.props} applications={async () => null} />)
+  await act(async () => {})
   await act(async () => { fireEvent.click(screen.getByRole('button', { name: zh['path.more'] })) })
   const items = screen.getAllByRole('menuitem')
   expect(items.map(item => item.textContent)).toEqual([zh['path.appsError'], '显示文件位置（默认）'])
@@ -198,6 +199,7 @@ it('keeps reveal last and makes it the default when the file query fails', async
 it.each([{ apps: [] }, { apps: [{ id: '/Player.app', name: 'Player', default: false, icon: null }] }])('uses reveal as the default after the available applications when none is default', async ({ apps }) => {
   const b = bench()
   render(<OpenPathAction {...b.props} applications={async () => apps} />)
+  await act(async () => {})
   await act(async () => { fireEvent.click(screen.getByRole('button', { name: zh['path.more'] })) })
   expect(screen.getAllByRole('menuitem').at(-1)?.textContent).toBe('显示文件位置（默认）')
   expect(screen.queryByText('用默认应用打开')).toBeNull()
@@ -230,3 +232,18 @@ it('closes the application menu from its chevron without querying again', async
   expect(screen.queryByRole('menu')).toBeNull()
   expect(b.props.applications).toHaveBeenCalledTimes(calls)
 })
+
+
+it('waits for the file association query before allowing a default action', async () => {
+  const b = bench()
+  const query = Promise.withResolvers<Awaited<ReturnType<OpenPathActionProps['applications']>>>()
+  const view = render(<OpenPathAction {...b.props} applications={() => query.promise} />)
+  const main = view.container.querySelector('[data-open-path-open]')!
+  expect(main).toHaveProperty('disabled', true)
+  fireEvent.click(main)
+  expect(b.openPath).not.toHaveBeenCalled()
+  await act(async () => { query.resolve([]) })
+  expect(main).toHaveProperty('disabled', false)
+  await act(async () => { fireEvent.click(main) })
+  expect(b.openPath).toHaveBeenLastCalledWith(ABSOLUTE_PATH, 'reveal', undefined)
+})