-work around multiple available languages

1 files changed, 5 insertions, 1 deletions

diff --git a/packages/taler-wallet-core/src/operations/exchanges.ts b/packages/taler-wallet-core/src/operations/exchanges.ts
index 88127b71f..69f708364 100644
--- a/packages/taler-wallet-core/src/operations/exchanges.ts
+++ b/packages/taler-wallet-core/src/operations/exchanges.ts
@@ -152,7 +152,11 @@ async function downloadExchangeWithTermsOfService(
   const tosContentLanguage = resp.headers.get("content-language") || undefined;
   const tosContentType = resp.headers.get("content-type") || "text/plain";
   const availLangStr = resp.headers.get("avail-languages") || "";
-  const tosAvailableLanguages = availLangStr.split(",").map((x) => x.trim());
+  // Work around exchange bug that reports the same language multiple times.
+  const availLangSet = new Set<string>(
+    availLangStr.split(",").map((x) => x.trim()),
+  );
+  const tosAvailableLanguages = [...availLangSet];
 
   return {
     tosText,