diff --git a/tests/testvectors/manual.json b/tests/testvectors/manual.json
index b70a80b..3723566 100644
--- a/tests/testvectors/manual.json
+++ b/tests/testvectors/manual.json
@@ -720,5 +720,13 @@
             "params": ["d0e30db0"]
         },
         "encoded_tx_hex": "8a0056040a6c297aed654816dc5d211c956de816ba923475d255011eaf1c8a4bbfeeb0870b1745b1f57503470b71160849000de0b6b3a76400001a00da3a90440001899344000185751ae525aa154544d0e30db0"
+    },
+    {
+        "description": "Issue #166",
+        "encoded_tx": "notAvailable",
+        "valid": true,
+        "error": "",
+        "testnet": false,
+        "encoded_tx_hex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
     }
 ]
diff --git a/tests_zemu/tests/standard.test.ts b/tests_zemu/tests/standard.test.ts
index f85e61b..fdac430 100644
--- a/tests_zemu/tests/standard.test.ts
+++ b/tests_zemu/tests/standard.test.ts
@@ -617,4 +617,33 @@ describe('Standard', function () {
       await sim.close();
     }
   });
+
+  // https://github.com/Zondax/ledger-filecoin/issues/166
+  test.concurrent.each(models)('Issue #166', async function (m) {
+    const sim = new Zemu(m.path);
+    try {
+      await sim.start({...defaultOptions, model: m.name,});
+      const app = new FilecoinApp(sim.getTransport());
+
+      const txBlob = Buffer.from(
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
+          "hex",
+      );
+
+      // do not wait here..
+      const [resp] = await Promise.all([
+          app.sign(PATH, txBlob),
+          async () => {
+            await sim.waitUntilScreenIsNot(sim.getMainMenuSnapshot());
+            await sim.compareSnapshotsAndApprove(".", `${m.prefix.toLowerCase()}-issue-166`)
+          }
+        ]);
+
+      console.log(resp)
+      expect(resp.return_code).toEqual(0x9000);
+      expect(resp.error_message).toEqual("No errors");
+    } finally {
+      await sim.close();
+    }
+  });
 })