diff --git a/packages/taler-wallet-core/src/wallet.ts b/packages/taler-wallet-core/src/wallet.ts
index 2d0878afc..9091a92bf 100644
--- a/packages/taler-wallet-core/src/wallet.ts
+++ b/packages/taler-wallet-core/src/wallet.ts
@@ -923,9 +923,9 @@ async function dumpCoins(ws: InternalWalletState): Promise<CoinDumpJson> {
           ageCommitmentProof: c.ageCommitmentProof,
           spend_allocation: c.spendAllocation
             ? {
-              amount: c.spendAllocation.amount,
-              id: c.spendAllocation.id,
-            }
+                amount: c.spendAllocation.amount,
+                id: c.spendAllocation.id,
+              }
             : undefined,
         });
       }
@@ -1261,7 +1261,10 @@ async function dispatchRequestInternal<Op extends WalletApiOperation>(
         `templates/${url.templateId}`,
         url.merchantBaseUrl,
       );
-      const httpReq = await ws.http.postJson(reqUrl.href, templateDetails);
+      const httpReq = await ws.http.fetch(reqUrl.href, {
+        method: "POST",
+        body: templateDetails,
+      });
       const resp = await readSuccessResponseJsonOrThrow(
         httpReq,
         codecForMerchantPostOrderResponse(),