diff --git a/src/handlers/lnurl.ts b/src/handlers/lnurl.ts
index aa5eb72..2fb43a6 100644
--- a/src/handlers/lnurl.ts
+++ b/src/handlers/lnurl.ts
@@ -107,10 +107,17 @@ export function createLnurlHandlers(deps: LnurlHandlerDeps) {
       try {
         // Request a quote from the mint selected by this recipient.
         const wallet = await deps.walletProvider.getWallet(claim.mint_url);
-        const quote = await wallet.createMintQuoteBolt11(
-          Math.floor(amount / 1000), // Convert msats to sats
-          zapRequest?.raw,
-        );
+        const amountSat = Math.floor(amount / 1000);
+        const quote = zapRequest
+          ? await wallet.mint.createMintQuoteBolt11({
+              amount: amountSat,
+              unit: "sat",
+              description: zapRequest.raw,
+              description_hash: true,
+            } as Parameters<typeof wallet.mint.createMintQuoteBolt11>[0] & {
+              description_hash: true;
+            })
+          : await wallet.createMintQuoteBolt11(amountSat);
 
         let quoteExpiry = quote.expiry;
         if (zapRequest) {
diff --git a/tests/per-recipient-mint.test.mjs b/tests/per-recipient-mint.test.mjs
index 11a2b4b..e0db8f8 100644
--- a/tests/per-recipient-mint.test.mjs
+++ b/tests/per-recipient-mint.test.mjs
@@ -289,7 +289,7 @@ test("LNURL discovery advertises NIP-57 only when a zap signer is configured", a
   assert.equal(zapResult.data.nostrPubkey, zapPubkey);
 });
 
-test("a valid NIP-57 request becomes the mint invoice description", async (t) => {
+test("a valid NIP-57 request asks the mint for a description hash", async (t) => {
   const db = createTestDatabase(t);
   const recipientPubkey = getPublicKey(generateSecretKey());
   const senderSecretKey = generateSecretKey();
@@ -307,14 +307,24 @@ test("a valid NIP-57 request becomes the mint invoice description", async (t) =>
     walletProvider: {
       async getWallet() {
         return {
-          async createMintQuoteBolt11(amount, description) {
-            assert.equal(amount, 21);
-            descriptions.push(description);
-            return {
-              quote: "zap-quote",
-              request: createTestInvoice(amount * 1_000, description),
-              expiry: null,
-            };
+          mint: {
+            async createMintQuoteBolt11(payload) {
+              assert.deepEqual(payload, {
+                amount: 21,
+                unit: "sat",
+                description: rawZapRequest,
+                description_hash: true,
+              });
+              descriptions.push(payload.description);
+              return {
+                quote: "zap-quote",
+                request: createTestInvoice(
+                  payload.amount * 1_000,
+                  payload.description,
+                ),
+                expiry: null,
+              };
+            },
           },
         };
       },
@@ -372,12 +382,14 @@ test("a zap invoice that does not commit to the request is rejected", async (t)
     walletProvider: {
       async getWallet() {
         return {
-          async createMintQuoteBolt11() {
-            return {
-              quote: "bad-zap-quote",
-              request: createTestInvoice(1_000, "not the zap request"),
-              expiry: 2_000_000_000,
-            };
+          mint: {
+            async createMintQuoteBolt11() {
+              return {
+                quote: "bad-zap-quote",
+                request: createTestInvoice(1_000, "not the zap request"),
+                expiry: 2_000_000_000,
+              };
+            },
           },
         };
       },