diff --git a/package.json b/package.json
index fa30fa9..67fe225 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@getalby/sdk",
-  "version": "3.5.0",
+  "version": "3.5.1",
   "description": "The SDK to integrate with Nostr Wallet Connect and the Alby API",
   "repository": "https://github.com/getAlby/js-sdk.git",
   "bugs": "https://github.com/getAlby/js-sdk/issues",
diff --git a/src/NWCClient.ts b/src/NWCClient.ts
index a9c6a11..dea38bf 100644
--- a/src/NWCClient.ts
+++ b/src/NWCClient.ts
@@ -200,9 +200,13 @@ export class NWCClient {
   options: NWCOptions;
 
   static parseWalletConnectUrl(walletConnectUrl: string): NWCOptions {
+    // makes it possible to parse with URL in the different environments (browser/node/...)
+    // parses both new and legacy protocols, with or without "//"
     walletConnectUrl = walletConnectUrl
       .replace("nostrwalletconnect://", "http://")
-      .replace("nostr+walletconnect://", "http://"); // makes it possible to parse with URL in the different environments (browser/node/...)
+      .replace("nostr+walletconnect://", "http://")
+      .replace("nostrwalletconnect:", "http://")
+      .replace("nostr+walletconnect:", "http://");
     const url = new URL(walletConnectUrl);
     const relayUrl = url.searchParams.get("relay");
     if (!relayUrl) {
diff --git a/src/webln/NWCClient.test.ts b/src/webln/NWCClient.test.ts
new file mode 100644
index 0000000..55a6961
--- /dev/null
+++ b/src/webln/NWCClient.test.ts
@@ -0,0 +1,43 @@
+import "websocket-polyfill";
+import { NWCClient } from "../NWCClient";
+
+// this has no funds on it, I think ;-)
+const exampleNwcUrl =
+  "nostr+walletconnect://69effe7b49a6dd5cf525bd0905917a5005ffe480b58eeb8e861418cf3ae760d9?relay=wss://relay.getalby.com/v1&secret=e839faf78693765b3833027fefa5a305c78f6965d0a5d2e47a3fcb25aa7cc45b";
+
+describe("parseWalletConnectUrl", () => {
+  test("standard protocol", () => {
+    const parsed = NWCClient.parseWalletConnectUrl(exampleNwcUrl);
+    expect(parsed.walletPubkey).toBe(
+      "69effe7b49a6dd5cf525bd0905917a5005ffe480b58eeb8e861418cf3ae760d9",
+    );
+    expect(parsed.secret).toBe(
+      "e839faf78693765b3833027fefa5a305c78f6965d0a5d2e47a3fcb25aa7cc45b",
+    );
+    expect(parsed.relayUrl).toBe("wss://relay.getalby.com/v1");
+  });
+  test("protocol without double slash", () => {
+    const parsed = NWCClient.parseWalletConnectUrl(
+      exampleNwcUrl.replace("nostr+walletconnect://", "nostr+walletconnect:"),
+    );
+    expect(parsed.walletPubkey).toBe(
+      "69effe7b49a6dd5cf525bd0905917a5005ffe480b58eeb8e861418cf3ae760d9",
+    );
+    expect(parsed.secret).toBe(
+      "e839faf78693765b3833027fefa5a305c78f6965d0a5d2e47a3fcb25aa7cc45b",
+    );
+    expect(parsed.relayUrl).toBe("wss://relay.getalby.com/v1");
+  });
+  test("legacy protocol without double slash", () => {
+    const parsed = NWCClient.parseWalletConnectUrl(
+      exampleNwcUrl.replace("nostr+walletconnect://", "nostrwalletconnect:"),
+    );
+    expect(parsed.walletPubkey).toBe(
+      "69effe7b49a6dd5cf525bd0905917a5005ffe480b58eeb8e861418cf3ae760d9",
+    );
+    expect(parsed.secret).toBe(
+      "e839faf78693765b3833027fefa5a305c78f6965d0a5d2e47a3fcb25aa7cc45b",
+    );
+    expect(parsed.relayUrl).toBe("wss://relay.getalby.com/v1");
+  });
+});