1 files changed, 3 insertions, 3 deletions
diff --git a/packages/taler-harness/src/harness/harness.ts b/packages/taler-harness/src/harness/harness.ts
index 3659ea538..275592091 100644
--- a/packages/taler-harness/src/harness/harness.ts
+++ b/packages/taler-harness/src/harness/harness.ts
@@ -2028,9 +2028,9 @@ export class WalletClient {
     return getClientFromRemoteWallet(this.remoteWallet);
   }
 
-  waitForNotificationCond(
-    cond: (n: WalletNotification) => boolean,
-  ): Promise<void> {
+  waitForNotificationCond<T>(
+    cond: (n: WalletNotification) => T | undefined | false,
+  ): Promise<T> {
     return this.waiter.waitForNotificationCond(cond);
   }
 }