diff --git a/packages/taler-util/src/helpers.ts b/packages/taler-util/src/helpers.ts
index 6c836c482..7d84d434e 100644
--- a/packages/taler-util/src/helpers.ts
+++ b/packages/taler-util/src/helpers.ts
@@ -63,10 +63,7 @@ export function canonicalJson(obj: any): string {
   // Check for cycles, etc.
   obj = JSON.parse(JSON.stringify(obj));
   if (typeof obj === "string") {
-    const s = JSON.stringify(obj);
-    return s.replace(/[\u007F-\uFFFF]/g, function (chr) {
-      return "\\u" + ("0000" + chr.charCodeAt(0).toString(16)).substr(-4);
-    });
+    return JSON.stringify(obj);
   }
   if (typeof obj === "number" || typeof obj === "boolean" || obj === null) {
     return JSON.stringify(obj);
diff --git a/packages/taler-wallet-cli/src/integrationtests/test-payment.ts b/packages/taler-wallet-cli/src/integrationtests/test-payment.ts
index 967d491be..d76bb6762 100644
--- a/packages/taler-wallet-cli/src/integrationtests/test-payment.ts
+++ b/packages/taler-wallet-cli/src/integrationtests/test-payment.ts
@@ -49,6 +49,14 @@ export async function runPaymentTest(t: GlobalTestState) {
 
   await makeTestPayment(t, { wallet, merchant, order });
 
+  const order2 = {
+    summary: "Testing “unicode” characters",
+    amount: "TESTKUDOS:5",
+    fulfillment_url: "taler://fulfillment-success/thx",
+  };
+
+  await makeTestPayment(t, { wallet, merchant, order: order2 });
+
   await wallet.runUntilDone();
 }