remove listener on unload

1 files changed, 1 insertions, 1 deletions

diff --git a/packages/taler-wallet-webextension/src/wallet/ManualWithdrawPage.tsx b/packages/taler-wallet-webextension/src/wallet/ManualWithdrawPage.tsx
index b1e5cf3d0..a45daa6b1 100644
--- a/packages/taler-wallet-webextension/src/wallet/ManualWithdrawPage.tsx
+++ b/packages/taler-wallet-webextension/src/wallet/ManualWithdrawPage.tsx
@@ -52,7 +52,7 @@ export function ManualWithdrawPage({ currency, onCancel }: Props): VNode {
 
   const state = useAsyncAsHook(wxApi.listExchanges);
   useEffect(() => {
-    wxApi.onUpdateNotification([NotificationType.ExchangeAdded], () => {
+    return wxApi.onUpdateNotification([NotificationType.ExchangeAdded], () => {
       state?.retry();
     });
   });